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Walmart, Ikea, and Amazon have a dirty shipping problem New report identifies the biggest corporate culprits of maritime emissions Share this story SAN PEDRO, CALIFORNIA - FEBRUARY 01: A container ship enters the Port of Los Angeles on February 1, 2021 in San Pedro, California. As of January 28, a record 38 container ships were on standby to offload cargo to the ports of Long Beach and Los Angeles amid a wave of online consumer goods purchases in the U.S. amid the pandemic. Photo by Mario Tama/Getty Images Giant retailers, including Amazon and Ikea, have pledged to go green, but their shippin...

2 Boom Technology Inc. is trying to revive supersonic travel, but the most ambitious part of its plan might be to run its aircraft on 100% sustainable fuels. Running conventional flights on so-called sustainable aviation fuel, or SAF, is already a challenge due to a dearth of supply and high costs. Adding more supersonic jets to the mix would make the challenge even tougher, experts say, because they use more fuel than conventional planes. "It'll be challenging enough to ramp [SAF production] up to meet subsonic [demand] without making it even more challenging by needing to ramp up production...

Michelin has unveiled inflatable sails that can be retrofitted to tanks and bulk carriers, augmenting engines with wind power. The telescopic mast retracts, allowing ships to pass under bridges.

Clynt Garnham Aviation/Alamy Several European airlines have been engaged in wide-ranging lobbying to challenge European Union climate policies, including imminent plans to force them to use more green biofuels, a UK-based think tank has found. InfluenceMap, a think tank that monitors corporate lobbying around climate change, used freedom of information requests and research to draw up its new report. It reveals that while the 10 European airlines looked at for this report have received around €30 billion in government bailouts during the pandemic – some of which came with conditions atta...

Are emissions-free supersonic jets really around the corner? Almost certainly not - and they may significantly worsen emissions, too.