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BMW cranks even more power out of the twin turbo-charged engine in its Z4.

(Credit: BMW)

2011 BMW Z4 sDrive35is preview (photos)

The BMW Z4 sDrive35i is an excellent sports car, but BMW's engineers, who must experience self-critical dreams every night about how much smoother a valve could be or whether changing the timing of a spark by a millisecond might improve combustion, couldn't leave it as is, coming up with the 2011 BMW Z4 sDrive35is, a higher performance version of BMW's roadster.

Like the sDrive35i, the new roadster uses a twin turbo 3-liter straight six, but BMW fitted it with a new twin turbo unit to crank up the horsepower from 306 to 335, with torque up from 295 pound-feet to 332. This engine tweaking gives the sDrive35is acceleration to 60 mph in 4.7 seconds.

Beyond the engine work, BMW tuned the exhaust to give a more pleasing, sports car sound. Baffles and mufflers combine to give the car what BMW describes as a "deep rumble with a focus on the low frequency sound range." People will be surprised when they see a little roadster following that exhaust note as it works its way up the street.

The sDrive35is also gets BMW's seven speed Double Clutch Transmission, a manual with two computer-controlled clutches. The driver can choose an automatic mode or shift manually, but doesn't have to push a clutch pedal. The result is no power loss at the wheels during shifts.

You can even get the car with some M equipment, including an adaptive suspension that uses electronically controlled shock absorbers to counteract roll and keep the tires gripping pavement. That's a lot of tech in a little car.

BMW will show the Z4 sDrive35is at the upcoming 2010 Detroit auto show.

The CMT-380 serial hybrid sports car is built on a Factory Five Racing kit car platform.

(Credit: Capstone)

In an unlikely alliance, Capstone, manufacturer of electricity-generating microturbines, and Electronic Arts Chief Creative Director Richard Hilleman have built a hybrid sports car for the upcoming Los Angeles Auto Show. The CMT-380 uses an electric power train with a range-extending diesel-fueled microturbine. A lithium polymer battery pack gives the CMT-380 80 miles of pure electric range, and the microturbine generates power for an additional 500 miles.

The car itself is built on a kit car platform, the Factory Five Racing GTM supercar. Capstone cites performance figures of 3.9 seconds to 60mph and a 150mph top speed. Impressively, the microturbine burns its fuel so cleanly that no catalytic converter or other exhaust treatment is needed for the car to meet California's Air Resources Board emissions requirements.

Not the first name that comes to mind in the automotive industry, Capstone has been making microturbines for stationary facilities and hybrid public transport vehicles since 1988. The microturbine in the CMT-380 is the company's smallest, generating 30 kilowatts. Capstone claims many benefits of its microturbine technology over an internal combustion engine, such as compact size, low maintenance, and efficient operation.

But forget buying your own CMT-380. Capstone says it may build a limited number based on interest at the Los Angeles Auto Show, but the car really serves as a demonstration of microturbine technology. Capstone will look for interest in the technology from automakers.

A U.S. version of the tiny Mazda2 goes into showrooms in 2010.

(Credit: Mazda)

Mazda2 preview (photos)

A burgeoning small car market in the U.S. convinced Mazda to finally sell its tiny Mazda2 here. The car, available around the world since 2007, will be shown in U.S. spec at the 2009 Los Angeles Auto Show. It joins the Honda Fit, Toyota Yaris, Scion xD, and Kia Soul in a subcompact market that has seen increasing sales.

The U.S. spec Mazda2 will get a 1.6-liter four cylinder engine mated to a five speed automatic transmission. Cabin tech offerings will be minimal, although a Bluetooth phone system should be present, along with audio controls on the steering wheel.

The 1.6-liter engine is the biggest offered in its world-wide marketing, with smaller powerplants also available starting at a 1.3-liter engine. Diesel engines are also in the mix, along with manual and continuously variable transmissions. In Japan, the car can also be optioned up with navigation, something that won't be available here.

Check out our upcoming coverage of the 2009 Los Angeles Auto Show for full details on the U.S. Mazda2.

The final expansion pack (or episode) for Grand Theft Auto IV has been released in the form of The Ballad of Gay Tony. You assume the role of Luis, nightclub owner Gay Tony's right-hand man who must handle his dirty work across Liberty City.

The Ballad of Gay Tony can be downloaded via Xbox Live (for $20) or in a $40 disc form (called Episodes from Liberty City) which also includes The Lost and Damned, GTA IV's first additional episode.

We've had sometime with the final version of the game and here are our thoughts:

(Credit: Gamespot)

Jeff:
First thing's first. If you haven't downloaded The Lost and Damned, go out and buy Episodes From Liberty City. It's tough to recall such a great value in gaming prior to this double pack, and Xbox 360 owners don't need a copy of the original GTA IV to jump right in. There is an incredible amount of gameplay value here; it's like getting two full $60 games for less than the price of one.... Read more

404 listeners dressed as Rorschach and Silk Spectre! (Click thumbnail for full size.)

(Credit: Hector)

When you do a daily podcast for two years, you start to realize a strange thing about the daily news cycle: one day there are tons of interesting stories to talk about, and the next day there's nothin'. This is one of those nothin' days, but that doesn't mean today's episode is boring by any means. In fact, the slow news days gives us an outlet to do what we do best--veer off course and offer insight into what's going on in our heads!

To kick things off, Jeff and Wilson educate me on GTA: The Ballad of Gay Tony, the second episode of the popular expansion pack that was just released a few days ago.

After taking time to shake our collective heads at the voters in Maine, we give Robert Zemeckis the spotlight to reveal details about his latest effort, a sequel to Who Framed Roger Rabbit!

The interview shows Zemeckis choosing his words carefully so as not to reveal any details, but some are speculating that the script will tell the prequel story about how Roger Rabbit popped out of the Toon world and into 3D. As usual, we agree with Jeff's cynicism about the project considering the director's sketchy idea to use performance capture a la "Beowulf" and "A Christmas Carol" to bring the characters (not Roger Rabbit, phew) back to life. We're warning you, Bob--if you mess up this movie we will never forgive you, "Back to the Future" notwithstanding.

Next, we hand it over to Wilson, who tells us about a recent U.K. study that reveals sensitive new "metrotextual" trends amongst young men in the 18- to 24- year-old age group. The study defines "metrotexting" as a text message sent from one male to another that offers a message and signs off with an "x," which translates from text-speak to a virtual kiss.

Thanks to 404 listener Jenny Lawrence for this snapshot!

(Credit: Jennifer Lawrence/The 404)

The article goes on to report that metrotextuality is most popular among 18- to 24-year-olds, with an unbelievable 75 percent of males ending texts to their dude friends with an XO, or "hugs and kisses."

We're not sure what's going on in the U.K., but our small experience doesn't reflect the same intimacy with our friends, although we're starting to think that we should spread the love a little more...so Wilson and Jeff, if you're reading this...doing the show for the past two years with you guys has been the most rewarding experience of my life, no lie. I love you guys. /bromance

We've got a lot more stories for you, including a quick book review of Lois Lowry's The Giver, Modern Warfare 2 terrorist claims, a discussion about video game ratings, Nintendo's newest DSi XL/LL, T-Mobile carrier outages, and of course - the third and final round of our virtual Halloween costume parade!

Enjoy the show and let us know what you think in a voicemail (1-866-404-CNET) or an e-mail (the404(at)cnet[dot]com). Have a great Wednesday!

404 listener Halloween costume parade, Pt. 2!

While Grand Theft Auto: Chinatown Wars on the Nintendo DS received critical acclaim across the board, the game didn't necessarily sell as well as it should have. Rockstar Games chose to bring the title over to the PSP, and with it, a complete graphical revamp.

We've had the final version of the game for some time now and here are our thoughts:

(Credit: Rockstar Games)

Jeff:
I wish Rockstar Games would take the viewing angle from Grand Theft Auto: Chinatown Wars and go back and apply it to the first two GTA games on the system; that's how fantastic of a gameplay experience it provides. Chinatown Wars is by far the best GTA game available on the system because it abandons the ground-level viewing angle that was present in the first two games. From here on out, we think every portable GTA title should control like this.... Read more

Five cars enter, one car leaves. Well, actually all five cars get to leave, but only one with the title.

(Credit: CNET)

Every year, for the past four years, Green Car Journal picks its Green Car of the Year at the LA Auto Show. Well, the LA Show will be here before you know it, so it's time to start thinking about this year's contestants, which have been narrowed down to five finalists.

The finalists include the Audi A3 TDI, the Honda Insight, the Mercury Milan Hybrid, the Toyota Prius, and the Volkswagen Golf TDI. That's two VW turbodiesels and a trio of hybrids; or four small hatchbacks and a small sedan. No matter how you look at it, there's not too much variation this year. However, three of the vehicles have taken our Editors' Choice award at different times this year and two of them have already done battle in a CNET Prizefight, so it will be interesting to see which is chosen as the overall winner.

A panel of jurors (which includes notables such as Jay Leno, Jean-Michel Cousteau, Carroll Shelby, Matt Petersen of Global Green USA and the Sierra Club's Carl Pope) will have to pick one of these vehicles to be crowned the fifth annual Green Car of the Year--which, by the way, is a very different thing from Greenest Car of the Year. There's apparently a bit more that goes into the choosing than just raw fuel economy and emissions numbers.

Last year, it was the Volkswagen Jetta TDI that walked rolled off with the 2009 crown by winning over the judges with its real-world performance and relatively low price. The year before that, it was the Chevy Tahoe Hybrid which was a really big hybrid that didn't return really big mpgs, but still managed to improve fuel economy by a massive 25-percent over the conventional model. Looking way back to the 2007 and 2006 winners, we can see that the Toyota Camry Hybrid and the Mercury Mariner Hybrid have also seen time in the winners' circle.

Editor's note: Polling is closed, the judges have voted, and the results are in. The 2010 Green Car of the Year award has gone to...

The Mercedes-Benz SLS AMG's retro design evokes the 300 SL.

(Credit: CNET)

Ultimates: Exotic cars at the Frankfurt auto show--photos

With all the very expensive new cars being unveiled at the Frankfurt auto show, you would think the economy never went into recession. It did, and yet here they are, a parade of new automotive objects of lust from the likes of Ferrari, Maserati, Porsche, Mercedes-Benz, Aston Martin, and Rolls-Royce. Some emphasize sport, some luxury, but all have way more of each than your standard economy sedan.

Leading the parade is the spectacular new Mercedes-Benz SLS AMG, a monster of a supercar with retro styling evoking the gull-winged 300 SL. Porsche shows off a couple of 911s, the styling only slightly updated but big improvement where it counts: in the engine, transmission, and suspension. Ferrari comes up with a replacement for the F430, managing to improve on that already fantastic supercar. And then there's Abarth, which offers up a tribute to Ferrari in the form of a heavily modified Fiat 500.

A number of convertibles follow, the tops chopped off of an Audi R8, Lamborghini Reventon, and Maserati GranTurismo. And finally, a couple of stately sedans from Aston Martin and Rolls-Royce take the floor.

Brabus added its own touches to this Tesla Roadster.

(Credit: CNET)

Electric cars at the Frankfurt auto show

As is becoming common at auto shows these days, a number of electric cars were on display at the Frankfurt auto show, with automakers showing off research into next millennium's generation of vehicles. On hand were concepts from Peugeot, Renault, Audi, Volkswagen, and Ford. Two entrants from Tesla were on hand, one a Roadster tuned up by Brabus, the only current production car available out of this lot, and the other the upcoming Model S, expected to begin production in 2011.