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California’s carbon market was supposed to be a model for the U.S., harnessing the power of capitalism to fight climate change in the world’s fifth-biggest economy. But nearly 10 years after “cap and trade” began, there’s little proof the system has had much direct impact on curbing planet-warming pollutants.

“No reasonable jury could find that Mr. Musk did not act recklessly.” That’s the upshot of a federal judge’s review of Tesla Inc. CEO Elon Musk’s 2018 tweets about taking the company private, as revealed in an order that was made public May 10.

LONG BEACH, Calif. — Overall use of clean fuels and advanced vehicle technologies is rapidly progressing, according to a recent survey of 250 public, private and municipal fleets. But industry experts added that many thorny issues remain.

Retail gasoline and diesel prices rallied to a record just ahead of the nation’s summer driving season, a challenge for President Joe Biden and the Federal Reserve as they face the fastest inflation in decades.

LONG BEACH, Calif. — Freightliner Trucks, a division of Daimler Truck North America, has unveiled its production-ready eCascadia Class 8 electric truck, built on the best-selling heavy-duty truck platform in North America.

Four years ago, Anglo American Plc couldn’t find any industry partners to support its idea of replacing open-pit mining’s monster diesel trucks with climate-friendly, green hydrogen-fueled vehicles.

HMM Co., the biggest container-shipping line in South Korea, will continue deploying more vessels than usual to try to meet demand from the country’s exporters struggling to transport goods overseas.

The national average price of diesel posted its second double-digit increase in as many weeks, rising 11.4 cents to $5.623 a gallon and a new all-time high, according to Energy Information Administration data released May 9.

Gasoline pump prices in the U.S. are rising to within a hair of an all-time record three weeks ahead of the peak driving season.

Electric truck startup Lordstown Motors Corp.’s shares sank as much as 19% after it pushed back a deadline to complete the sale of its Ohio assembly plant to Foxconn.