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After years of accounting for just a single-digit share of the heavy-truck brake market, air disc brakes are enjoying double-digit growth, and suppliers are optimistically predicting the systems will capture a quarter of the foundations brake market within a few years.

U.S. economic activity continued to expand from mid-May through June, with lower energy prices helping to boost consumer spending but remaining a drag on manufacturing, the Federal Reserve said July 15.

Federal regulators on July 13 formally published their proposal in the Federal Register that would tighten greenhouse-gas emissions for trucks, improve their fuel economy and regulate trailer efficiency for the first time.

Rep. Tom Rice (R-S.C.) introduced legislation that would raise federal fuel taxes by 10.1 cents per gallon, and index the new rate to inflation as a way to ensure the long-term solvency of the Highway Trust Fund.

WASHINGTON — The Environmental Protection Agency and the Obama administration as a whole will continue to emphasize their campaign against climate change from carbon emissions, even if all aspects of useful technologies are not known at present.

The starting point for limiting diesel emissions can be traced to a provision in a bill reauthorizing and expanding the Clean Air Act of 1977 that was signed into law by President George H.W. Bush in 1990.

The Obama administration didn’t adequately consider the billions of dollars in costs before issuing a rule designed to cut hazardous emissions from 460 coal-fired power plants, the U.S. Supreme Court ruled.

The federal government on June 19 issued its long-awaited proposal to further tighten greenhouse-gas emissions for trucks, improve their fuel economy and regulate trailer efficiency for the first time.

WASHINGTON — Rep. Earl Blumenauer (D-Ore.) called on colleagues to back legislation he introduced this year that would increase fuel taxes to pay for infrastructure projects during a House Ways and Means Committee hearing on June 17.