TOKYO — In the age of electric vehicles, Toyota's critics have pulled no punches in calling the Japanese carmaker's tenacious commitment to internal combustion backward, even ecologically unsound. But ...

Carbon deposits are a normal occurrence in an engine, but can build up over time, causing problems. Essentially, heat, pressure, and oxidation can transform unburned fuel into a black soot-like ...

Love racing, but not a fan of the sport's carbon footprint? Idemitsu is hoping to bring that down a notch with its new Plantech Racing engine oil, which uses plant-based raw materials for more than 80 ...

Everllence launches HydroMonia to adapt engines for hydrogen and ammonia, aiming for carbon-free power plants.