Happy to say that's changed for 2009, with several automakers, including Audi, BMW, Mercedes-Benz, and Volkswagen, producing diesels that offer emissions so clean they're saleable in the super-strict Golden State. With that in mind, we ordered VW's brand-new Jetta TDI, whose turbocharged common-rail 2.0-liter with direct injection delivers 50-state-certified LEV II emissions. Getting our hands on a Jetta TDI wasn't easy: VW underestimated its popularity and imported a mere 1300 to the U.S.-all of which have sold. The popularity comes for good reason as the TDI scoots from 0 to 60 in 8.4 seconds and achieves a combined fuel-economy rating of 33 mpg (in over 7000 miles, we've gotten 34.9 mpg). At $23,090, the TDI, priced right between the petrol-powered SEL and SE trims, represents a strong choice for economy-conscious customers who don't want to sacrifice straight-line performance.
Our love for VW's dual-clutch gearbox necessitated that we check that $1100 option box, even though the standard six-speed manual offers one mpg extra for city and highway. As tested, our Loyal Edition, which incorporates a sunroof (normally a $1000 option), stickers for $24,190, representing savings of over $500 compared with a standard TDI similarly optioned. On a trip from our Los Angeles offices to Monterey, California, assistant Web producer Scott Evans came back elated with the TDI's capabilities. "The 236 pound-feet of twist really helps the car on the freeway. Passing doesn't require a downshift, but the DSG is so smooth I wouldn't have noticed if it did."
There are some nits to pick. Copy editor James Dryden was impressed with the entire package, but disappointed with the sound system: "The bass rumbles uncomfortably in the door while the highs disappear." Though, after turning off the stereo, Dryden found the exhaust to be comfortably silent; no traditional clack and clatter. So far, the TDI has been a hit at the office. Everyone who's had seat time has come away impressed with the TDI's undiesel-like nature. And the Jetta's 7202 miles in only two months is proof of its popularity. No wonder they're sold out.

