New Dorman Secondary Air Injection Pump, 306-023 on 2040-parts.com

Jaguar XFR-S – tease take 2

The Jaguar XFR-S – a more powerful version of the XFR – will debut tomorrow at the Los Angeles Auto Show, but we get a second tease first. Jaguar’s punt at making the now ageing XFR credible against the new BMW M5 – the Jaguar XFR-S – is getting its debut at the Los Angeles Auto Show tomorrow, but ahead of that full reveal Jaguar is teasing interest with its second teaser photo of the most powerful saloon they’ve ever built. Last week we got a front view of the XFR-S with its more aggressive nose (and Jaguar’s favourite ‘Speedy’ blue paint job) and this week we get to see the thumping great carbon fibre rear wing Jaguar has bolted on the back of the XFR-S.

Engineers wring 30 mpg on the highway from the 2011 Ford Mustang V6

First Ford got us excited by making some major engine upgrades to the Mustang for 2011--a 305-hp, 3.7-liter V6 and a 412-hp, 5.0-liter V8. Now it's wooing us with fuel economy, too. Ford says the V6-powered Mustang has been certified by the EPA to deliver 30-31 mpg on the highway (depending on the transmission) and 19 mpg in the city.

New Ford Ka city car concept revealed

Ford’s Ka city car was a revelation when it was introduced back in 1996. It offered cheap thrills thanks to a sweet little chassis, and fresh styling compared to contemporary compact hatchbacks. Now, the Ka legend is moving onto its third generation with this, the 2013 Ford Ka concept – "a cleverly designed and fuel-efficient new choice for urban consumers," according to Ford.