Just a few months ago, I wrote about how Nissan was able to produce a road-going engine with a thermal efficiency—the amount ...

BMW is rethinking long-range power in its electric vehicles. BMW may add range-extender gas engines to large electric vehicles like the i7 and iX5. EREVs appeal to drivers wanting battery power plus ...

Many gas stations host diesel pumps that can be easily confused with gas pumps. Pumping diesel into your gas car can wreak havoc on its systems, forcing you to call a tow truck and mechanic.

The use of natural gas as a fuel for heavy-duty trucks is receiving a boost, due in part to the rollout of a more powerful natural gas engine and the growing availability of renewable natural gas to ...

We’ve reached a point where electrification is actually everywhere in automotive. People talked about it for a long time, insisting that our commuters and our go-fast performance cars alike would be ...

Currently, the Chevy LCF (Low Cab Forward) 6500 and 7500 series trucks are available exclusively with diesel power, cradling the Cummins B6.7L, a turbocharged six-cylinder engine rated at 260 ...

Publicity photo of a first-generation Union Pacific GTEL locomotive and a circa-1923 electric auto in Fremont, Neb. The auto was owned by a local woman and the locomotive was on its way west to haul ...

With advancements in electric vehicles, many have asked: Will electric vehicles replace the internal combustion engine? Experts tell us we will be driving gasoline-powered cars into the near future.

A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand how ...

Trucking companies can now order the Fifth Generation Freightliner Cascadia heavy-duty Class 8 truck with the new Cummins X15N natural-gas 15-liter engine. Earlier this month, Freightliner announced ...

Mazda's 2019 SkyActiv-X engine may have cracked the HCCI engine challenge. It uses a spark plug to address typical HCCI problems but can also run on compression alone. These engines are 20–30% more ...

At TopSpeed, William Clavey is Editor-at-Large, where he focuses on authority and exclusive content, reviews, news articles, features, and opinion pieces all while sharing his passion for everything ...