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 ...

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ICL has signed a three-year contract to use hydrogen-based engine cleaning technology across its fleet after trials showed gains in emissions and fuel efficiency. Industrial Chemicals tested the ...

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 ...

The idle air control valve (IACV) is a device attached to the throttle body that helps keep the engine of a vehicle running without throttle input, such as when the car is idling in traffic or parked ...