President Donald Trump’s advisers have urged him to let Congress take the lead in efforts to lower the cost of the nation’s biofuels policy for refining companies, and to use executive action only if lawmakers fail to make progress, according to three sources familiar with the discussions. The recommendation underscores the difficulties the White House has faced in attempting to tweak the Renewable Fuel Standard, a decade-old law intended to help farmers and reduce fuel imports that has for years divided the corn and oil industries. The RFS requires refiners to cover the price of blending biofuels like corn-based ethanol into the fuel supply, creating a lucrative market for growers but a headache for refiners who […]