Mercedes W220 S-class Driver's Left Rear Door Computer Control Module Seat #1 on 2040-parts.com

How VW's XL1 will make your next Golf lighter, faster and more frugal

VW will only build 250 examples of the XL1, its super-streamlined two-seater than scores a combined 314mpg thanks to its plug-in hybrid diesel engine, lightweight construction and low-drag design. Each punter will have to put up around €100,000 for the privilege of saving money on fuel – but don’t worry, because every car across the VW Group will benefit from the lessons learned, all by 2020. Is my next VW likely to be a hybrid?

Chevrolet prices CNG-ready Impala for 2015

Chevrolet announced pricing for the upcoming CNG-capable 2015 Impala sedan, which can run both on gasoline and compressed natural gas. The sedan will start at $38,210 and will go on sale in late fall of 2014. This version of the Impala will be available in base LS trim as well as the more luxurious LT trim, though Chevrolet has not announced pricing specific to the higher-spec LT model.

Mercedes Vision S500 plug-in Hybrid Concept at Frankfurt

The Mercedes S500 Hybrid Plug-In will show at Frankfurt Update: Mercedes has now confirmed our S500 Hybrid story and we have images of the S500 hybrid at the bottom of the page The S500 Vision will feature a V6 petrol engine paired with a 10kw lithium-ion battery pack and a 44kw motor. This combination will allow the hybrid Mercedes to travel over 18 miles on battery power alone. When the battery discharges the electric motor will power up the petrol engine.