It’s been a while since two-stroke engines went the way of the dinosaurs, with them being considered too inefficient, noisy, ...

GM modern two-stroke tech aims to revive lightweight, efficient combustion engines with a new patent using electronically ...

Detroit Diesel’s two-stroke engines earned their “Screaming Jimmy” nickname the hard way, with a piercing exhaust note and ...

GM has filed a patent application for a two-stroke engine valve system, which could enhance efficiency and control compared ...

Two-stroke engines were phased out by tough pollution laws and fuel economy targets, but they could be making a comeback with KTM, Honda and boutique builders. KTM and Honda have both registered ...

Diesel is dead? Not quite yet. Achates announced Friday that it has produced a heavy-duty, two-stroke diesel engine with near-zero emissions that costs less than a conventional engine and is expected ...

Meet Rev Force, a clean two-stroke with a rotary valve, supercharged intake, 220 hp, 221 g/kWh BSFC, and multifuel support ...

Conventional wisdom suggests that our faithful internal combustion (IC) engines are heading the way of the buggy whip. The lithium-ion battery has arrived, emissions standards are tightening, and ...

Editor’s Note: This article previously appeared in a different format as part of The Atlantic’s Notes section, retired in 2021. In response to the item immediately below, which kicked off this Thread, ...

A California lawmaker has delayed a proposed ban on large two-stroke engines on California reservoirs from next year to 2004, but has also proposed barring the sale of the engines next year. The bill ...

Husqvarna has just unveiled two new enduro bikes with fuel-injected two-stroke engines for the 2018 model year. This news comes very shortly after KTM announced their new fuel-injected two-stroke ...

GM's Detroit Diesel division once made a two-stroke engine. A certain trait about this engine would lead to it getting the ...