The heavy-metal band is using natural gas and vegetable oil to power its 7,200-mile journey, but filling trucks up on sustainable fuels still has a long way to go
3 minMetallica, the band that blazed a trail for thrash metal with rugged guitar riffs and relentless drumbeats, is trying to do something similar for trucks powered by sustainable fuels.
The group, a rock music mainstay since their 1986 hit album “Master of Puppets,” is looking to burnish its bona fides on social issues by using rigs powered by fuels including biomethane and vegetable oil on its European tour this summer.
Working with European truck maker Iveco, the authors of songs including “Battery” and “Fuel” (sample lyric: “Fuel is pumping engines / Burning hard, loose and clean / And I burn, churning my direction / Quench my thirst with gasoline.”) aim to show that sustainable transportation in heavy-duty trucking is possible on European highways dotted with alternative-fuelling stations.
But the trucks’ limitations and the workarounds the band’s logistics providers are undertaking on the meticulously-planned 7,200-mile journey winding through the continent from Sweden to Spain also illustrate how far trucking is from using cleaner fuels in regular operations.
“You have limited options because of the lack of the infrastructure,” said Natasha Highcroft, a director of Suffolk, U.K.-based Transam Trucking, which provides logistics for Metallica and other bands. “We use alternative fuels as and when we can, as much as possible, but until the infrastructure is there it’s very difficult.”
The trucks run on natural gas, vegetable oil, electricity and hydrogen fuel cells, and will be hauling giant video screens, lighting and instruments across nine countries.
The workhorses of Metallica’s tour will be 10 heavy-duty trucks powered by renewable natural gas—such as methane from landfills—and four heavy-duty trucks running on biodiesel or hydrogenated vegetable oil. The trucks, dramatically decked out in Metallica’s fierce logo, can travel about 1,000 miles between refuelling.
Both fuels provide a significant reduction in emissions compared with regular diesel, although emissions experts say they aren’t nearly as clean as battery-electric or hydrogen fuel cell technologies.
The tour was due to kick off this week in Munich, Germany, and over the next two months will cover the continent from Italy and Spain in southern Europe to Denmark and Norway. The longest journey between shows, from Warsaw to Madrid, covers almost 1,800 miles.
Iveco, which is providing the eco-friendly trucks for Metallica’s tour, makes both battery-electric and hydrogen fuel cell big-rig engines, the types that governments in Europe and the U.S. are trying to press on truckers as soon as possible. But because of the lack of charging and fuelling stations on the long legs between gigs, the battery-electric and hydrogen trucks will be mostly for promotional use at concerts, said Gerrit Marx , chief executive of the Italian truck maker.
Marx said Iveco wants to highlight that renewable natural gas and hydrogenated vegetable oil are “more available and ready” than batteries and hydrogen while also being “way better than fossil diesel.”
Europe has hundreds of liquefied natural gas and hydrogenated vegetable oil, or HVO, refuelling stations. A representative for British energy major Shell , which is working with Iveco on the tour, said Metallica’s low-carbon journey wouldn’t have been possible even a couple of years ago.
Shell says its customers can access HVO in five European countries and renewable natural gas in Germany and in the Netherlands. That means that when low-carbon options aren’t available, the Iveco trucks will be fuelled with regular LNG and the HVO trucks will be fuelled with regular diesel.
A Shell representative said the Metallica tour will buy carbon credits to offset “unavoidable emissions“ generated by the low-emission trucks.
U.S. companies are also using renewable natural gas and biodiesel to reduce carbon emissions. But trucking specialists say the fuels aren’t available in sufficient quantities to power the world’s fleets, which is why regulators are pushing battery-electric and hydrogen fuel cell vehicles.
Trucking executives say the costs of operating those technologies are double or triple those of diesel and that they aren’t workable in a highly-competitive, low-margin industry like trucking.
Lars Stenqvist , chief technology officer at truck maker Volvo Group , said it is important that high-profile performers like Metallica amplify the capabilities of sustainable fuels.
Truckers will only adopt the technology when customers demand it, he said, so “This is music to my ears.”
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Subsidised minivans, no income taxes: Countries have rolled out a range of benefits to encourage bigger families, with no luck
7 min
Imagine if having children came with more than $150,000 in cheap loans, a subsidised minivan and a lifetime exemption from income taxes.
Would people have more kids? The answer, it seems, is no.
These are among the benefits—along with cheap child care, extra vacation and free fertility treatments—that have been doled out to parents in different parts of Europe, a region at the forefront of the worldwide baby shortage. Europe’s overall population shrank during the pandemic and is on track to contract by about 40 million by 2050, according to United Nations statistics.
Birthrates have been falling across the developed world since the 1960s. But the decline hit Europe harder and faster than demographers expected—a foreshadowing of the sudden drop in the U.S. fertility rate in recent years.
Reversing the decline in birthrates has become a national priority among governments worldwide, including in China and Russia , where Vladimir Putin declared 2024 “the year of the family.” In the U.S., both Kamala Harris and Donald Trump have pledged to rethink the U.S.’s family policies . Harris wants to offer a $6,000 baby bonus. Trump has floated free in vitro fertilisation and tax deductions for parents.
Europe and other demographically challenged economies in Asia such as South Korea and Singapore have been pushing back against the demographic tide with lavish parental benefits for a generation. Yet falling fertility has persisted among nearly all age groups, incomes and education levels. Those who have many children often say they would have them even without the benefits. Those who don’t say the benefits don’t make enough of a difference.
Two European countries devote more resources to families than almost any other nation: Hungary and Norway. Despite their programs, they have fertility rates of 1.5 and 1.4 children for every woman, respectively—far below the replacement rate of 2.1, the level needed to keep the population steady. The U.S. fertility rate is 1.6.
Demographers suggest the reluctance to have kids is a fundamental cultural shift rather than a purely financial one.
“I used to say to myself, I’m too young. I have to finish my bachelor’s degree. I have to find a partner. Then suddenly I woke up and I was 28 years old, married, with a car and a house and a flexible job and there were no more excuses,” said Norwegian Nancy Lystad Herz. “Even though there are now no practical barriers, I realised that I don’t want children.”
Both Hungary and Norway spend more than 3% of GDP on their different approaches to promoting families—more than the amount they spend on their militaries, according to the Organization for Economic Cooperation and Development.
Hungary says in recent years its spending on policies for families has exceeded 5% of GDP. The U.S. spends around 1% of GDP on family support through child tax credits and programs aimed at low-income Americans.
Hungary’s subsidised housing loan program has helped almost 250,000 families buy or upgrade their homes, the government says. Orsolya Kocsis, a 28-year-old working in human resources, knows having kids would help her and her husband buy a larger house in Budapest, but it isn’t enough to change her mind about not wanting children.
“If we were to say we’ll have two kids, we could basically buy a new house tomorrow,” she said. “But morally, I would not feel right having brought a life into this world to buy a house.”
Promoting baby-making, known as pro natalism, is a key plank of Prime Minister Viktor Orbán ’s broader populist agenda . Hungary’s biennial Budapest Demographic Summit has become a meeting ground for prominent conservative politicians and thinkers. Former Fox News anchor Tucker Carlson and JD Vance, Trump’s vice president pick, have lauded Orbán’s family policies.
Orbán portrays having children inside what he has called a “traditional” family model as a national duty, as well as an alternative to immigration for growing the population. The benefits for child-rearing in Hungary are mostly reserved for married, heterosexual, middle-class couples. Couples who divorce lose subsidised interest rates and in some cases have to pay back the support.
Hungary’s population, now less than 10 million, has been shrinking since the 1980s. The country is about the size of Indiana.
“Because there are so few of us, there’s always this fear that we are disappearing,” said Zsuzsanna Szelényi, program director at the CEU Democracy Institute and author of a book on Orbán.
Hungary’s fertility rate collapsed after the fall of the Soviet Union and by 2010 was down to 1.25 children for every woman. Orbán, a father of five, and his Fidesz party swept back into power that year after being ousted in the early 2000s. He expanded the family support system over the next decade.
Hungary’s fertility rate rose to 1.6 children for every woman in 2021. Ivett Szalma, an associate professor at Corvinus University of Budapest, said that like in many other countries, women in Hungary who had delayed having children after the global financial crisis were finally catching up.
Then progress stalled. Hungary’s fertility rate has fallen for the past two years. Around 51,500 babies have been born there this year through August, a 10% drop compared with the same period last year. Many Hungarian women cite underfunded public health and education systems and difficulties balancing work and family as part of their hesitation to have more children.
Anna Nagy, a 35-year-old former lawyer, had her son in January 2021. She received a loan of about $27,300 that she didn’t have to start paying back until he turned 3. Nagy had left her job before getting pregnant but still received government-funded maternity payments, equal to 70% of her former salary, for the first two years and a smaller amount for a third year.
She used to think she wanted two or three kids, but now only wants one. She is frustrated at the implication that demographic challenges are her responsibility to solve. Economists point to increased immigration and a higher retirement age as other offsets to the financial strains on government budgets from a declining population.
“It’s not our duty as Hungarian women to keep the nation alive,” she said.
Hungary is especially generous to families who have several children, or who give birth at younger ages. Last year, the government announced it would restrict the loan program used by Nagy to women under 30. Families who pledge to have three or more children can get more than $150,000 in subsidised loans. Other benefits include a lifetime exemption from personal taxes for mothers with four or more kids, and up to seven extra annual vacation days for both parents.
Under another program that’s now expired, nearly 30,000 families used a subsidy to buy a minivan, the government said.
Critics of Hungary’s family policies say the money is wasted on people who would have had large families anyway. The government has also been criticised for excluding groups such as the minority Roma population and poorer Hungarians. Bank accounts, credit histories and a steady employment history are required for many of the incentives.
Orbán’s press office didn’t respond to requests for comment. Tünde Fűrész, head of a government-backed demographic research institute, disagreed that the policies are exclusionary and said the loans were used more heavily in economically depressed areas.
Government programs weren’t a determining factor for Eszter Gerencsér, 37, who said she and her husband always wanted a big family. They have four children, ages 3 to 10.
They received about $62,800 in low-interest loans through government programs and $35,500 in grants. They used the money to buy and renovate a house outside of Budapest. After she had her fourth child, the government forgave $11,000 of the debt. Her family receives a monthly payment of about $40 a month for each child.
Most Hungarian women stay home with their children until they turn 2, after which maternity payments are reduced. Publicly run nurseries are free for large families like hers. Gerencsér worked on and off between her pregnancies and returned full-time to work, in a civil-service job, earlier this year.
She still thinks Hungarian society is stacked against mothers and said she struggled to find a job because employers worried she would have to take lots of time off.
The country’s international reputation as family-friendly is “what you call good marketing,” she said.
Norway has been incentivising births for decades with generous parental leave and subsidised child care. New parents in Norway can share nearly a year of fully paid leave, or around 14 months at 80% pay. More than three months are reserved for fathers to encourage more equal caregiving. Mothers are entitled to take at least an hour at work to breast-feed or pump.
The government’s goal has never been explicitly to encourage people to have more children, but instead to make it easier for women to balance careers and children, said Trude Lappegard, a professor who researches demography at the University of Oslo. Norway doesn’t restrict benefits for unmarried parents or same-sex couples.
Its fertility rate of 1.4 children per woman has steadily fallen from nearly 2 in 2009. Unlike Hungary, Norway’s population is still growing for now, due mostly to immigration.
“It is difficult to say why the population is having fewer children,” Kjersti Toppe, the Norwegian Minister of Children and Families, said in an email. She said the government has increased monthly payments for parents and has formed a committee to investigate the baby bust and ways to reverse it.
More women in Norway are childless or have only one kid. The percentage of 45-year-old women with three or more children fell to 27.5% last year from 33% in 2010. Women are also waiting longer to have children—the average age at which women had their first child reached 30.3 last year. The global surge in housing costs and a longer timeline for getting established in careers likely plays a role, researchers say. Older first-time mothers can face obstacles: Women 35 and older are at higher risk of infertility and pregnancy complications.
Gina Ekholt, 39, said the government’s policies have helped offset much of the costs of having a child and allowed her to maintain her career as a senior adviser at the nonprofit Save the Children Norway. She had her daughter at age 34 after a round of state-subsidised IVF that cost about $1,600. She wanted to have more children but can’t because of fertility issues.
She receives a monthly stipend of about $160 a month, almost fully offsetting a $190 monthly nursery fee.
“On the economy side, it hasn’t made a bump. What’s been difficult for me is trying to have another kid,” she said. “The notion that we should have more kids, and you’re very selfish if you have only had one…those are the things that took a toll on me.”
Her friend Ewa Sapieżyńska, a 44-year-old Polish-Norwegian writer and social scientist with one son, has helped her see the upside of the one-child lifestyle. “For me, the decision is not about money. It’s about my life,” she said.
