The EPA is escalating its response to consumer complaints regarding DEF system failures, announcing a new investigation aimed ...

Imagine you head to the gas station, fill up, and start driving around town when suddenly your car starts acting strangely.

YouTube creator WhistlinDiesel has claimed that his growing internet fame has made him a “target” after his second arrest for tax evasion.

The Trump administration should prioritize renewable fuels such as biodiesel, renewable diesel, ethanol and sustainable ...

Last Saturday, a former London Underground train that’s been converted to run on the national rail network began carrying ...

The Cummins B-Series diesel engine has been around for over 40 years because it's proven itself to be reliable and ...

A task force created to solve a financial cliff facing transit agencies released its report last year, offering few solutions ...

Two truck owners react to DOJ's recent shift away from criminal pursuit of delete shops and emissions tampering. Both emphasize why they "deleted" to begin with: Performance, fuel efficiency, "insane" ...

It was meant to blaze a trail for Copenhagen’s green transition, but one of the city’s busiest bus routes is currently bogged ...

Why does my diesel VW Caddy idle at around 1000rpm every 300km for several minutes, with no DPF warning lights? Could this be ...

GM Ecotec engines face timing chain failures, oil consumption issues, and exhaust manifold problems that cost thousands in ...

The problem with agriculture now is not only production volume, but climate change, drought—we are facing a lot of ...