GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for ...

Testing of a sophisticated cylinder deactivation technology on a Cummins engine showed a 74% reduction in nitrogen oxides (NOx) emissions. Cylinder deactivation is viewed as one of the main strategies ...

The clock is ticking for trucking manufacturers to meet challenging new emissions requirements in 2024 and 2027. On those two horizons are reductions of NOx by up to 90 percent, CO2 by up to 25 to 30 ...

Jacobs Vehicle Systems provides a closer look at how Cylinder Deactivation (CDA) and Active Decompression Technology (ADT) improves emissions, fuel economy and driver comfort in an International LT625 ...

COLUMBUS, Ind.--(BUSINESS WIRE)-- Cummins Inc. (NYSE: CMI) today announced the signing of an agreement to acquire Jacobs Vehicle Systems (JVS), a subsidiary of Altra Industrial Motion Corp., and a ...

Cummins Valvetrain Technologies reports positive results from further on-road testing of its Jacobs cylinder deactivation (CDA) technology. CDA for diesel engines is a new powertrain technology.

Today we have the incredible luck of choosing exactly the kind of car and powertrain we want. The auto industry was never this diverse in its offerings. This might mean that we should better inform ...

Ford said fuel efficiency improvements of up to 6% were achieved on the road after engineers tested different cylinder deactivation technologies on a working prototype. To enable cylinder deactivation ...

COLUMBUS, Ind.--(BUSINESS WIRE)--Cummins Inc. (NYSE: CMI) today announced the signing of an agreement to acquire Jacobs Vehicle Systems (JVS), a subsidiary of Altra Industrial Motion Corp., and a ...

General Motors plans to use the largest displacement engines possible to cope with the increasing weight of vehicles and consumers' thirst for more performance. But more cubic inches under the hood ...

Many of Ward’s 10 best engines for 2005 highlight sophisticated new technology that not only improves mileage but also pumps up power. Cylinder deactivation, petrol-electric hybrids and advanced ...