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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.

Aurora Capital Partners has agreed to sell Restaurant Technologies Inc., a company that distributes cooking oil and collects used oil from U.S. restaurants, to West Street Infrastructure Partners III, an investment fund managed by Goldman Sachs.

Trillium will upgrade the compressed natural gas station in Austin, Texas, to provide easier access and fast-fill capability for heavy-duty vehicles fueling with CNG.

Bryan Berg drives a semi with a 13-speed transmission, and he’s been double-clutching and shifting gears in his rig for 30 years. He’s not about to start driving a truck that shifts automatically.

The turmoil at Tesla Inc. reached a fever pitch, as the news that two senior executives are leaving Elon Musk’s electric-car maker emerged just hours after he smoked marijuana during an hours-long interview streamed live online.