Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

GM considers CVTs for small cars

General Motors Co., aiming to give its small cars a sales edge, may introduce continuously variable transmissions to deliver better fuel economy, executives say. GM doesn't use CVTs now. But they could be used on models such as the Chevrolet Spark, Aveo and Cruze in the next three years, said Mike Arcamone, CEO of GM Daewoo Auto & Technology.

2015 Porsche Cayenne facelift revealed – new 410bhp plug-in S E-Hybrid & new V6 Turbo

The Porsche Cayenne gets a facelift for 2015 The Porsche Cayenne is the best on-road SUV by far, and it gets even better with the launch of the 2015 model year Cayenne which gets a subtle – but effective – cosmetic makeover and some big changes in powertrain options. New to the Cayenne – and replacing the S Hybrid – is the Cayenne S E-Hybrid. It keeps the same Audi-sourced 3.0 litre V6 petrol engine as the outgoing hybrid, which has 328bhp and 325lb/ft of torque, and mates it to a new electric motor delivering 94bhp for a total of 410bhp and 434lb/ft of torque.

Toyota talks powertrain plans

After trailing many of its competitors in the recent engine- and transmission-technology wars, Toyota Motor Corp. will launch a swath of powertrains in the next several years, a top powertrain r&d executive said. Koei Saga, senior managing officer in charge of drivetrain r&d, said that Toyota is investing heavily in turbocharged engines, larger displacement Atkinson cycle engines, continuously variable and fixed-gear automatic transmissions, and new hybrid and fuel cell technologies.