Hurst 5671517 Roll/control Launch Control Kit Fits 08-10 Challenger on 2040-parts.com

Jaguar XF – the 2010 police version for Plod

This is the first police-spec Jaguar XF – bound to an orderly life of patrolling the motorways around the Midlands area encircling Jaguar's HQ. The local constabulary has bought seven 271bhp 3.0-litre Diesel S models in police trim.What's changed to make the XF a police car?Not much out of the ordinary. It's much easier to spot than a demarked police car, with its roof bar, LED flashers in the grille and refletive decals galore.It's ironic that Jags used to be the getaway vehicle of choice in the 50s, 60s and 70s in films of a certain bent; now Jaguar has gone good and supplying Plod himself.

What we drive: 1994 Mazda RX-7 R2

Blame it on the 1993 Montego blue RX-7 parked a block away from my childhood home--and the cover photo of the competition yellow mica R1 gracing one of the other monthly car magazines that year. Either way, it was 1993 when my captivation with the third-generation Mazda RX-7 caught fire. I was 10 years old.

For new CAFE rules, automakers place high-stakes tech bets

Game-changing 2015 fuel economy rules are forcing vehicle development teams to make high-stakes bets on expensive technologies--bets that will separate the winners from the also-rans. Not only do federal rules target a 2015 fleet average of 35.5 mpg, up from the current 27.5 mpg for cars and 23.1 mpg for light trucks; they force automakers to bet on different technology packages for each vehicle segment. Companies that do best at mixing technologies while keeping down costs will have an advantage when buyers wince at higher stickers.