A new fuel-blending method appears to make diesel engines cleaner and more efficient at the same time. Early results point to ...

WASHINGTON — The Environmental Protection Agency said Friday that marine and locomotive engines must meet tougher pollution controls, hoping for dramatic cuts in the amount of smog-causing chemicals ...

A new program that is enlisting students to protect their lungs from their parents' idling vehicles at schools is showing promise, including during a trial run this year in Garfield County. The ...

The 1,000-foot laker Edwin H. Gott will be fitted with new, cleaner-burning diesel engines to help reduce air pollution with help from a $750,000 federal grant announced this week. The money from the ...

WASHINGTON - The Bush administration proposed reductions greater than 90 percent in air pollution from diesel-powered farm, construction and other off-road equipment Tuesday, predicting the curbs ...

GRAND RAPIDS, Mich. (AP) — Eleven people have been charged in Michigan in a scheme to evade air-pollution rules by tampering with software and hardware in heavy-duty diesel engines, federal ...

WASHINGTON (AP) — The Bush administration proposed reductions greater than 90 percent in air pollution from diesel-powered farm, construction and other off-road equipment Tuesday, predicting the curbs ...

California and the U.S. Environmental Protection Agency on Wednesday finalized a $1.67 billion settlement with truck engine maker Cummins — the largest civil penalty ever assessed under the federal ...

NEW DELHI, Nov 13 (Reuters) - Choking back exhaust fumes, 22-year-old Rihana Saif stands at a traffic signal in India's capital New Delhi, holding a sign mounted on a bamboo stick imploring motorists ...

[Stay on top of transportation news: Get TTNews in your inbox.] DETROIT — Eleven people have been charged in Michigan in a scheme to evade air-pollution rules by tampering with software and hardware ...