Internal combustion engines typically have low efficiency, with modern gasoline engines around 35% and diesel engines slightly above 40%. This inefficiency stems from the equal length of all four ...

Uniflow scavenging opposed-piston two-stroke diesel engine has high power density and thermal efficiency. However, the uniflow scavenging performance control is inflexible and inefficient. In this ...

Combustion efficiency and emission control in internal combustion engines lie at the heart of efforts to reconcile performance, fuel economy and environmental impact. Optimising the conversion of ...

More power typically hurts fuel economy, but higher compression breaks the rule. Here's how modern engine design squeezes out ...

HOT ROD’s archives are chock-full of brilliant tech reports that truly are timeless. This one, drafted by Jim McFarland for our February 1972 issue, provides an extensive look at how important airflow ...

Rotating detonation engines, or RDEs, have long been heralded as the next leap in propulsion technology. Instead of burning ...

From heavy-duty trucks and agricultural machinery to shipping fleets, aviation, and power generation, internal combustion engines STILL remain indispensable to both global infrastructure and mobility.

The first Scuderi Split-Cycle Engine prototype was revealed at the SAE 2009 Word Congress in Detroit.Scuderi Group Hybrid engines aren’t the only way to improve fuel efficiency. Scuderi Group unveiled ...

JCB and Toyota have both developed new hydrogen fuelled equipment. Where they differ is in the choice of internal combustion ...

James Kelly didn't grow up knowing he wanted to be a writer, but once he fell into the whacky world of automotive journalism, he hasn't wanted to leave. In college, he found ways to make every paper ...

BEIJING (Reuters) - Nissan Motor Co, an early mover in the electric vehicle market, will use the Los Angeles auto show next week to send a message about gasoline-fueled engines: They're not dead yet.

In case you missed it, the automotive industry has been on a steady trajectory of internal combustion engine (ICE) downsizing for years. Battery-powered electric vehicles may capture most of the ...