Phase 2 GHG

A federal appeals court has ruled that greenhouse gas emission standards do not apply to truck trailers.

Hino Motors has suspended production until late 2021 because its engines don’t meet greenhouse gas emission standards.

Lawmakers call out White House for trying to obstruct OIG probe.

Manufacturers warn clock’s running out on needed clarity for 2021 models.

Partially synthetic lower viscosity 10W-30 and 5W-30 oils are supplanting the industry standard 15W-40 heavy-duty oil. The new formulas cost more but can bring up to 2 percent better fuel economy with longer intervals between changes.

Government audit finds no evidence that Volvo influenced EPA emissions study.

There is no timeline for implementation of any new NOx rulemaking, but there are a couple of key questions that must be answered: What will the limits be and how much will this cost?

The underlying science of glider kit emissions was the topic of a hearing on Thursday in Washington, although opponents of glider kits were not part of the panel.