Chinese scientists have built a first-of-its-kind coal-powered fuel cell that potentially eliminates carbon dioxide emissions ...

A joint research team led by Professor Park Kyoung-Duck and Associate Director Suh Yung Doug of the Center for ...

The California Air Resources Board has opened a 15-day comment period on its Advanced Clean Fleets regulations requiring zero-emission vehicles that ends April 17.

Washington — The Environmental Protection Agency on Friday set strict emissions standards for heavy-duty trucks, buses and other large vehicles, an action that officials said will help clean up some ...

Transitions between different electronic energy levels in elements occur at unique energies and intensities, giving each element a distinctive emission spectrum. When the energy of an incident photon ...

California air regulators have adopted two landmark rules setting aggressive zero-emission requirements for fleets of heavier vehicles and locomotives, a move expected to drastically cut pollution ...

The U.S. zero-emission bus and truck market shrunk in 2025, with registrations falling 15.5% and the zero-emission share ...

The government on Wednesday proposed amendments to vehicle emission rules to introduce higher ethanol blends and alternative ...