Energy industry

Four family members belonging to a Utah polygamist group admitted defrauding the U.S. of $512 million in renewable-fuel tax credits, with the leader saying the mastermind was an Armenian immigrant who owns a small oil and gas empire in Southern California. That businessman now faces trial alone.

Extension a tax incentive for electric vehicle purchases could cost up to $15.7 billion, according to an analysis prepared by opponents.

Tax credits worth billions of dollars for the wind and solar industries are set to expire or begin phasing out next year — part of a 2015 deal Democrats struck that ended a 40-year-old ban on the export of crude oil.

The deduction has been a valuable tax planning tool for architects, engineers and building owners, but it never spurred energy efficient design.

An effort to put a tax on carbon dioxide emissions just won an unlikely underwriter: a top producer of oil and gas.

The Trump administration dropped a two-year-old accounting probe into Exxon Mobil Corp.’s valuation of its reserves and public disclosures about climate change, while inquiries by two Democratic-led states continue.

A new, Republican-led effort to tax carbon dioxide emissions isn’t likely to make it to a vote in the House of Representatives anytime soon — but opponents aren’t taking any chances.

The Internal Revenue Service is extending incentives for solar power and other clean energy sources by as long as four years.

The Internal Revenue Service said Friday it’s ready to process tax year 2017 returns claiming four additional tax benefits recently renewed retroactively into law, including tax breaks related to energy conservation and production.

President Trump signed into law H.R. 1892, the Bipartisan Budget Act of 2018, just hours after the Senate passed the bill by a vote of 71-28 and the House by a margin of 240-186 this month.