Metallica’s European Tour Showcases Renewable-Energy Big Rigs—And Their Limits
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
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
Metallica, 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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Strong family financial planning can help reduce taxes and support younger generations. From intrafamily loans and asset gifts to inheritance disclaimers, strategic cooperation can create meaningful financial benefits—when families have the trust and structure to make it work.
Happy is the family whose members—parents, grandparents and grown children—trust each other enough to cooperate on shared goals, especially financial ones. When that is truly the case, Uncle Sam’s tax rules can help as well.
This matters especially now that mortgage rates are above 7%, and many families are looking for ways to help younger members. If the elders have resources and are confident younger ones can cooperate, a family loan could make homeownership possible while providing the elders with a useful income stream.
Other strategies can actually lower taxes, such as when funding 529 plans or Roth IRAs, or when someone inherits a traditional IRA with required withdrawals larger than they will need.
Here are three strategies useful for functional families.
It is perfectly legal for families to lend money to a relative for a down payment or even a private mortgage.
But it is important not to cut corners, says Ryan McKeown, a CPA with Modern Wealth Enhancement in Minnesota. If the loan is for a down payment, be honest with the mortgage provider and have a formal agreement. The lender owes tax on the interest payments received.
If the loan is for a private mortgage, both sides should have legal representation with a formal written agreement, including payment terms. The lender owes tax on the interest, and the borrower often can deduct it if he or she itemizes.
To avoid IRS trouble, the interest rate shouldn’t be lower than the agency’s Applicable Federal Rate at the time of the loan. Currently that is about 5% for loans longer than nine years; about 4.5% for loans three to nine years; and about 4% for loans three years or less. Currently, traditional mortgage rates are generally above 7%.
In addition, the lender could use the $19,000 annual gift-tax exemption (described below) to forgive some or all of the interest or principal annually. If both lenders and borrowers are married, that is up to $76,000 a year. There is no tax for the borrower on such forgiveness, because it is from a gift.
If you’re going this route, McKeown advises against having a fixed plan to forgive the debt. Instead, do it in one-off letters specifying the amount—and keep careful records. Otherwise the IRS might try to treat the loan as a taxable gift.
Powerful tax-saving moves for families often use gift-tax provisions. Under current law, anyone can give anyone else up to $19,000 of assets annually, free of gift tax. That means a married couple with three grandchildren could give them a total of $114,000 in 2026.
The gifts can be cash or other assets, like stock. For noncash gifts, the cost basis—which is the starting point for measuring taxable gain after a sale—“carries over” to the recipient. So if someone buys $1,000 of stock and gives it away when it is worth $5,000, the recipient’s cost basis is $1,000. If the recipient later sells the shares for $8,000, the taxable gain is $7,000.
Here’s an example showing how gifts could save a family taxes. Grandma is a widow of modest means, while her child and spouse have prospered. The couple has two children, and they want to contribute $5,000 to a 529 college-savings plan for each—but they need to sell stock to do it. Their tax rate on the sale would be 18.8%, and they would need to sell about $11,000 of stock.
However, Grandma’s federal tax rate on the stock sale is 0%. If the couple gives $10,000 of shares to Grandma, she could sell them, pay no tax, and fund the grandchildren’s 529 plans. This saves about $1,000 of tax.
These moves are legal, and they could be used in other ways, such as to help a young person fund a Roth IRA.
But trust among family members is essential: Under the law, givers can’t put conditions on a gift. Grandma could use her stock proceeds to take a cruise, but she makes 529 contributions instead.
Mark Sellner, a retired tax attorney and CPA living in Sarasota, Fla., uses this strategy. His children sell stock he gives them and fund 529 plans for his grandchildren.
The family’s tax savings aren’t huge, but he likes other benefits. The sales by his children don’t boost his adjusted gross income, which in turn could raise his Medicare Irmaa premiums or his 3.8% surtax on net investment income.
Sellner doesn’t worry about his children using the funds for another purpose.
“There can’t be any strings attached to gifts. Of course, it is up to us to decide whether to make them in the future,” he says.
Two caveats: The “kiddie tax” applies to most children under age 24, and it is levied at the parents’ rate on investment income above $2,700 in 2026. Consider this before making gifts to a young person.
Investors who give away stock also forgo the step-up, an important provision that exempts assets held at death from capital-gains tax.
Sellner knows he’s losing a step-up, but says, “The children could use a little more now. Why should they wait 20 years to get it?”
A disclaimer is a highly useful strategy in which one heir renounces an inheritance in favor of another heir. Assuming family members cooperate, this can save taxes.
Here’s one example. Dad died and had a large traditional IRA that he left to Mom. She has enough assets and income to cover her expenses, and she lives in a state with a stiff estate tax. The inherited IRA would put her estate over the threshold.
Also surviving are three young-adult children. If Mom disclaims all or part of Dad’s IRA within nine months of his death, that amount could go directly to the children. They will have 10 years to empty the account, and the family as a whole will likely save estate and income taxes.
Disclaimers have many key details, especially regarding beneficiary documents. Although heirs have great freedom in choosing what assets to disclaim, the rules about who gets disclaimed property are rigid. It is best if the original owner names tiers of heirs so that if one disclaims, the next recipient is clear.