The emission measurement procedure using the “free acceleration” method has caused many diesel vehicle owners to worry about ...

Millions of semi-tractors hit the road every single year to keep America running with everything from the mail and Amazon ...

Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel.

According to the Ministry of Agriculture and Environment, when the engine accelerates rapidly, the operating state becomes ...

If it is a compression thing, I want to understand why the FIA havent done anything... if its not, we have to do a better job ...

Formula 1 engine rules update: The FIA, Formula One’s governing body, has announced a key change to how engine compression ratios will be measured during the 2026 season and ahead of the 2027 campaign ...

The FIA and rival engine manufacturers have reached a compromise to tackle the controversy surrounding Mercedes that had threatened to overshadow next week’s start of the season in Australia ...

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's governing body, the FIA, has announced a resolution to the sport's regulatory row over engine compression ratios, with a tweak to the regulations set for June 1 and a further change in ...

Mercedes' rivals succeed in securing a rule change following a pre-season technical row over engine performance.