11 Articles
Opel adds start-stop tech to Astra ecoFlex; fuel economy jumps to 50 mpg

The Opel Astra 1.3 CDTI ecoFLEX five-door hatchback is already a fuel miser, but with the addition of an optional start-stop system, the Astra now sips even less diesel. Opel claims that, when equipped with start-stop, the ecoFLEX's CO2 emissions drop from 109 grams per kilometer down to 104 g/km and fuel economy jumps from 47.6 miles per

Paris Preview: Ferrari to introduce more efficient version of California GT

Ferrari California – Click above for high-res image gallery

Bosch modifies start/stop system for automatic transmissions

Since introducing its start/stop technology back in 2007, Bosch has sold 1.5 million of the fuel-saving systems to automakers worldwide. Most of Bosch's start/stop systems have resided in vehicles equipped with manual transmissions. Recently, Bosch began working with numerous automakers – including Fiat, Eric Loveday

Stop-start technology to reach 10M vehicles by 2015

We've discussed the virtues of stop-start technology (aka micro hybrid) before and we've even touched on many of the upcoming models that are slated to receive this fuel-saving technology soon, but we never really expected that the stop-start system would become so wi

2011 Citroën C4 revealed, CO2 emissions down to 109 g/km

2011 Citroën C4 – Click above for high-res image gallery

Mazda researchers get JSAE awards for i-Stop and nano-catalyst

The Japanese Society of Automotive Engineers has selected a pair of researchers from Mazda to be honored for their work on efficiency and emissions reduction technologies, i-Stop and a new single nano-catalyst.

Mercedes-Benz adds direct injection and stop-start to 2011 C-Class

In Europe, where Mercedes-Benz still sells cars with four-cylinder engines, the C-Class has just received an efficiency update for 2011. The direct-inject gasoline C180 and C200 CGI BlueEfficiency models are now available with six-speed manual gearboxes and automatic start-stop systems. The C180 and C200 produce 156 and 184 horsepower, respectively, while cutting fuel consumption compare