Summary: Frequent napping in the elderly (associated with a 48% increase in dementia risk) is likely not the "cause" of the ...

The Atkinson cycle helps hybrid engines squeeze more efficiency from gasoline, but there's a clever reason electric motors ...

Wärtsilä said it had chosen the low-pressure concept for safety, efficiency and its potential for reducing greenhouse gas emissions. In April, Wärtsilä raised the power of its four-stroke ammonia ...

Hydrolocking could be a thing of the past as Horse reveals the ultimate engine for off-roaders ...