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The California Air Resources Board is awarding two grants topping $90 million to the nation’s two busiest ports — Port of Los Angeles and Port of Long Beach, respectively — to develop a Zero Emission and Near Zero-Emission Freight Facilities project.

Pittsburgh Parking Authority garages will see nearly double the number of electric vehicle charging stations through a gift from Duquesne Light Co.

Diesel fuel still has a large role to play in achieving greater emissions reductions in heavy-duty trucks, experts said during a recent conference in San Francisco. Separately, they urged more in-use testing of engines to verify the gains, and increased use of renewable diesel, which is chemically similar to petroleum diesel, but cleaner.

U.S. truck makers, new startups and independent engine manufacturer Cummins Inc. have helped generate the early buzz on electrified trucks, cleaner emissions and less reliance on diesel fuel. Now, that buzz is generating buzz.

Add oil tankers breaking down at sea to the list of things shipping companies are worrying about as they brace for a once-in-a-generation overhaul to the kind of fuel the industry must consume.

A colossal Canadian oil-sands project may be showing the way forward for an industry many thought would never see new investments.

SACRAMENTO, Calif. — California has set a goal of phasing out electricity produced by fossil fuels by 2045 under legislation signed Sept. 10 by Gov. Jerry Brown.

The U.S. average retail price of diesel inched up 0.6 cent to $3.258 a gallon, while crude oil prices fell amid questions over supplies in light of looming sanctions against Iran.

Within 20 years, oil use will have long since peaked, renewables and natural gas will account for about half of energy supply and the cost of keeping the lights on will plummet. But that still won’t be enough to meet climate goals, according to a forecast from energy and maritime services company DNV GL Group AS.