The U.S. Department of Agriculture is pushing for eased tax credit requirements regarding crops used as ingredients in the production of renewable fuels, according to Secretary Tom Vilsack.

Darling Ingredients soared the most in eight years after California signaled it may limit the use of seed oils in green diesel, which would be a boon to companies that use rival feedstocks.

Nutrien Ltd. named a new chief financial officer amid an industry downturn that has eroded the fertilizer giant’s profits.

A growing number of energy and agriculture firms have been boosting spending in an effort to plant and crush more canola, an oilseed that could play a big role in the renewable fuel markets.

A unit of truck stop chain Pilot Co., which is partly owned by Warren Buffett’s Berkshire Hathaway Inc., is buying an ethanol plant just as the beleaguered industry may be turning around.