Alternative fuels

FILE - In this July 20, 2013, file photo, an ethanol plant stands next to a cornfield near Nevada, Iowa. Some farm groups and farm-state lawmakers are expressing anger at the Trump administration over final ethanol rules that they say fail to uphold the president's promises to the industry. The Environmental Protection Agency has released final renewable fuel standard rules for next year that do not include language President Donald Trump agreed to that would guarantee 15 billion gallons of ethanol is blended into the nation's gasoline supply. (AP Photo/Charlie Riedel, File)

FILE - In this Tuesday, Nov. 12, 2019, file photo, the U.S. Capitol is seen as the sun sets in Washington. Negotiations on a package of spending bills to fund the federal government have produced a key breakthrough, though considerably more work is needed to wrap up the long-delayed measures. Top lawmakers of the House and Senate Appropriations committees on Saturday, Nov. 23, confirmed agreement on allocations for each of the 12 spending bills. (AP Photo/Manuel Balce Ceneta, File)

FILE - In this Aug. 29, 2019, file photo President Donald Trump speaks in the Rose Garden of the White House in Washington. The polarized politics of climate change and the Trump administration’s quest to scrap government regulations have forced companies into an inconvenient dilemma: Oppose deregulation that could boost profits or support it and risk a backlash from environmentally conscious consumers. (AP Photo/Carolyn Kaster, File)

FILE - In this Aug. 29, 2019, file photo President Donald Trump speaks in the Rose Garden of the White House in Washington. The polarized politics of climate change and the Trump administration’s quest to scrap government regulations have forced companies into an inconvenient dilemma: Oppose deregulation that could boost profits or support it and risk a backlash from environmentally conscious consumers. (AP Photo/Carolyn Kaster, File)

Farmer Randy Miller is shown with his soybeans, Thursday, Aug. 22, 2019, at his farm in Lacona, Iowa. Miller, who also farms corn, is among farmers unhappy with President Donald Trump over waivers granted to oil refineries that have sharply reduced demand for corn-based ethanol. Miller called it "our own country stabbing us in the back." (AP Photo/Julie Pace)

FILE - In this April 24, 2015, file photo, pumpjacks work in a field near Lovington, N.M. Oil industry and environmental groups say they expect the Environmental Protection Agency to release a proposed rule over the next few days that will roll back requirements on detecting and plugging methane leaks at oil and gas facilities (AP Photo/Charlie Riedel, File)

In this Wednesday, Dec. 26, 2018, photo, people take early morning walk amidst smog in New Delhi, India. Authorities have ordered fire services to sprinkle water from high rise building to settle dust particles and stop burning of garbage and building activity in the Indian capital as the air quality hovered between severe and very poor this week posing a serious health hazard for millions of people. (AP Photo/Manish Swarup)

FILE - In this March 25, 2014 file photo, a worker adjusts pipes during a hydraulic fracturing operation at a well pad near Mead, Colorado. The Trump administration is moving to roll back Obama-era rules intended to reduce leaks of climate-changing methane from oil and gas facilities. The Environmental Protection Agency formally released a proposed substitute rule Tuesday. The EPA acknowledges the rollback would lead to more methane leaking into the atmosphere. The agency says relaxing oversight will save $75 million in regulatory costs annually. (AP Photo/Brennan Linsley, file)

These undated file photos released by the Weber County Sheriff's Office show Jacob Kingston, left, and Isaiah Kingston. Two Salt Lake City biodiesel executives linked to a polygamous group will stay in jail after prosecutors argued they could flee to Turkey if released ahead of trial in an alleged $511 million tax credit scheme. The men have access private jets, millions of dollars stashed abroad and an unidentified federal law-enforcement contact who apparently tipped them off ahead of a raid, special assistant U.S. Attorney Leslie Goemaat said at a hearing on Wednesday, Aug. 29, 2018. Kingston's attorney said the prosecutor's allegations are false hearsay. (Weber County Sheriff's Office via AP, File)