A gasoline engine’s dirtiest moment lasts only a few seconds. In the time between ignition and the catalytic converter ...

Cold starts are the dirtiest moment—Bosch thinks it’s solved them with fire.

Auto supplier Bosch has unveiled a system it says will reduce tailpipe emissions by up to 70% by speeding the time it takes ...

CINCINNATI, Feb. 27, 2025 /PRNewswire/ -- GE Aerospace (NYSE:GE) announced today that the Catalyst turboprop engine has been certified by the US Federal Aviation Administration (FAA). The FAR (Federal ...

Textron Aviation has pushed back the first flight of its Cessna Denali turboprop to an unspecified time due to slower-than-expected testing of the aircraft's GE Aviation Catalyst engine. Textron ...

Paul Corkery, GE Aviation general manager of turboprops, gives an update on the status of the new Catalyst turboprop for Textron Aviation’s Beechcraft Denali, and discusses its performance and ...

Today's catalysts for removing unburnt methane from natural-gas engine exhaust are either inefficient at low, start-up temperatures or break down at higher operating temperatures. A new single-atom ...

GE Aviation is nearing a maiden sortie of its Catalyst turboprop engine, delays to which have had a knock-on impact on Cessna’s in-development Denali. A first flight of the new engine was due earlier ...

A Catalyst engine with a 105-in. composite McCauley propeller ran at full power and max RPM at the Czech Technical University’s test cell in Prague in April 2019. Full-range pitch testing included ...