In a major shift in federal environmental policy, the Environmental Protection Agency (EPA) announced on Thursday that it is rescinding the 2009 Greenhouse Gas Endangerment Finding. The move ...

As the 2027 heavy-duty engine deadline nears, the ATA is pushing for non-conformance penalties and credit flexibility. Read about the reliability concerns surrounding unproven emissions tech.

The U.S. Environmental Protection Agency (EPA) has issued a final rule eliminating the 2009 Greenhouse Gas (GHG) Endangerment Finding.

The endangerment finding got axed. Does that mean less red tape or more uncertainty for truck makers and small carriers?

Krista K. McIntyre of Stoel Rives LLP discusses the EPA's repeal of the 2009 endangerment finding regarding greenhouse gas emissions and the uncertainties in light of legal challenges to the repeal, ...

The Environmental Protection Agency (EPA) has proposed eliminating greenhouse gas emission regulations. At the heart of the move is the plan to revoke the 2009 “endangerment finding,” which allowed ...

Start-stop is a relatively small feature with a dense engineering stack behind it. Modern systems tie together the engine control unit, starter-alternator hardware, beefed-up 12-volt or ...

Paccar said it will launch two new proprietary engine platforms to meet the EPA’s 2027 35-milligram NOx standard, calling the rule the world’s most stringent. Executives said the tougher emissions ...

Explore the technical specs of Detroit's Gen 6 engine platform. From asymmetric intake ports to pre-SCR systems, see how Detroit Diesel is re-engineering heavy-duty power.

For years, many drivers have complained about engines that cut out at every red light and then start again a moment later.

The sudden reversal of EPA rules and regulations surrounding emission standards last week will undoubtedly have ramifications ...