For space fans, the past few days have been a cavalcade of awe and imagery as the Artemis II crew heads back to Earth after swinging around the moon. It's a significant accomplishment that saw the ...

Infiniti's new VC-T is groundbreaking in that it now offers an engine with a variable compression ratio, meaning it can be driven with fuel economy or horsepower in mind, giving the driver the option.

SEOUL, South Korea — North Korean leader Kim Jong Un observed a test of an upgraded solid-fuel engine for weapons capable of reaching the U.S. mainland, and called it a significant development ...

North Korean leader Kim Jong Un observed a test of a high-thrust, solid-fuel engine for weapons and hailed it as a development to boost the country’s strategic military capability, state media ...

When comparing engine specs for nearly any combustion engine automobile, we see a number of variations available with differing outputs of horsepower and torque. We often have a choice of gasoline or ...

Copyright 2026 The Associated Press. All Rights Reserved. Copyright 2026 The Associated Press. All Rights Reserved. Mercedes driver George Russell of Britain on the ...

A decision has been announced by the FIA regarding the geometric compression ratio controversy, ahead of the 2026 F1 season. F1's governing body have made a change to their technical regulations just ...

FIA introduces stricter engine testing to ensure 2026 power unit compliance under real conditions. Toto Wolff downplays compression ratio concerns, acknowledging Formula 1's political nature. Q3 ...

Formula 1 manufacturers have approved changes to the engine testing rules for 2026 following the compression ratio row that has lasted through the offseason. In December, it emerged that Mercedes had ...

Rolls-Royce and the U.S. Air Force validated the F130’s ability to meet performance requirements for the B-52 missions, getting closer to flight testing. Engine maker Rolls-Royce announced on Feb. 24, ...

As you may know, an engine's compression ratio is directly linked to its combustion efficiency. All else being equal, higher-compression engines tend to make more power while offering better fuel ...