Catalytic reduction of emissions from internal combustion engine

Catalytic reduction of emissions from internal combustion...

Catalytic treatment of exhaust gas responsive to engine temperat

Catalyzer arrangement for engine

Catalyzer arrangement for the exhaust gases of an internal combu

Catalyzer arrangement in exhaust system of multi-cylinder...

Catalyzer heating device for an internal combustion engine

Catalyzer support system for exhaust cleaning of outboard motor

Ceramic honeycomb filter and exhaust gas-cleaning method

Change-over valve unit for switching exhaust gas passages and ex

Cleaner control for diesel engine exhaust gases

Close coupled catalyst

Closed loop cold start retard spark control using ionization...

Closed-loop temperature control for an emission control device

Co-ordination of different requirements of the exhaust gas...

Cold HC adsorption and removal apparatus for an internal combust

Cold start white smoke aftertreatment protection

Cold-start control systems for internal combustion engines

Combatting air pollution

Combination catalytic converter and heat exchanger that maintain