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ATLANTA — Upcoming regulations are expected to call for reducing simultaneously carbon dioxide and nitrogen-oxide emissions — prompting new engine components and processes, including hybrid-electric powertrains, an executive with Eaton Vehicle Group said.

WASHINGTON — Sen. Tom Carper led his colleagues in introducing bipartisan legislation that would reauthorize the Diesel Emissions Reduction Act through fiscal 2024.

Advancing the Technology & Maintenance Council’s efforts to address the trucking industry’s technician shortage and enhancing education and training for entry-level workers are among the top priorities for Kenneth Calhoun, the council’s new general chairman and treasurer.

Volkswagen AG and its former CEO were sued by the U.S. Securities and Exchange Commission over claims they failed to disclose to investors that diesel vehicles violated emissions standards, the latest twist in a software cheating scandal that already has cost the company more than $30 billion.

WASHINGTON — The leaders of the congressional committees tasked with crafting an infrastructure policy bill continue to disagree over a sustainable approach for ensuring the country’s transportation network is funded long term.

Clean Energy Fuels Corp. announced it would convert all its natural gas fuel to its renewable product, Redeem, by 2025 as it positions itself to offer the cleanest available fuel alternative to diesel through a broad distribution network.

Alabama Gov. Kay Ivey has signed into law the Rebuild Alabama Act, which includes a fuel tax increase to support infrastructure projects.

The U.S. government cut its oil production forecast for the first time in six months as drillers scale back in smaller shale plays and the U.S. Gulf of Mexico.

The Trump administration on March 12 advanced a plan meant to expand the U.S. market for corn-based ethanol and place trading restrictions on credits that refiners use to prove they are using biofuel.

Local leaders interested in testing programs that assess a fee to those using their roadways now have a guide. The National League of Cities published on March 11 its report “Fixing Funding by the Mile: A Primer and Analysis of Road User Charge Systems,” which makes the case that states and cities should explore such fundraising mechanisms.