Walker 80258 Calcat Universal Catalytic Converter on 2040-parts.com

BMW i8 plug-in hybrid supercar is more economical than BMW thought

The BMW i8 does 134.5mpg on the official cycle. The production version of BMW’s plug-in hybrid supercar – the i8 – finally arrived at the Frankfurt Motor Show last year offering almost proper supercar price – £100k – along with an almost supercar 0-62mph of 4.4 seconds. What the i8 also offers is ridiculous economy figures thanks to its plug-in hybrid power (and thanks to the daft way official economy figures are calculated) and now, as the i8 gets ready to go in to full production, BMW has revealed that the official economy figures have just got dafter.

Porsche 911 Turbo Cabriolet revealed with 197mph top speed

Porsche has revealed the new 911 991 Turbo Cabriolet and Turbo S Cabriolet range – a 197mph open-top Porsche 911. Boasting 520hp even in standard Turbo guise, and a huge 560hp in Turbo S form, the new 911 991 Turbo Cabriolet range follows hot on the heels of the new 911 991 Turbo coupe range, which MSN Cars drove back in August. Click on the image above to see how Porsche has turned a hard-top Turbo into an open-top barnstormer…

Ford electrifies the Focus

Don't be fooled by the Aston Martin-like grille and the stretched headlights--the Ford Focus electric has some serious green-car ethos. The Focus five-door hatch will be Ford's first-ever all-electric passenger car when it launches in late 2011. It can travel at speeds up to 84 mph and takes three to four hours to charge on a 240-volt outlet.