The defining characteristic of a two-stroke engine is to fire (combust) every time the piston is at top dead center. This makes them highly power dense, but also notoriously makes two-stroke engines ...

NYC startup Aircela develops carbon-neutral gasoline from air to help reduce emissions in hard-to-electrify sectors.

The trinational development is embracing adaptive-cycle engine architecture for the next-generation Future Combat Air System ...

The U.S. Environmental Protection Agency on Friday will propose new biofuel blending requirements for oil refiners for the ...

Hydrotreated Vegetable Oil (HVO) trials by the RAF and Dorset Council show a 90% carbon cut, offering a viable, low-carbon diesel alternative ...

High-mileage engines need more maintenance attention, but does that mean you should use thicker oil? Before adding any, ...