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7Automotive X-Prize: Only 15 vehicles from 12 teams left now

Automotive X-Prize Knockout Stage – Click above for high-res image gallery

121 teams still alive in Automotive X Prize's knockout stage

Last we heard, either 15 or 22 teams had made it to the Automotive X Prize's Knockout stage. Turns out, 21 teams will take to the Michigan International Speedway (MIS) in Brooklyn, Michigan this week for the next level of the competition to bring hyper-efficient vehicles to market.

11Vote for your favorite Automotive X-Prize vehicle(s), win $3,000

As the Progressive Automotive X Prize (PIAXP) competition enters the "Knockout Qualifying Stage," organizers are seeking your participation. The public is being invited to vote for their favorite vehicle in four different categories from now until the 6th of September. You can vote every day and, in case you need motivation, the organizers are offering up a grand prize of $3,000 for a randomly chosen entry and one stylish PIAXP jacket will also be awarded for each fan favorite category. The firs

22Peraves E-Tracer wants to quickly and efficiently win Automotive X-Prize

Efficiency and speed will both be demanded of Progressive Automotive X-Prize entrants and the E-Tracer that Peraves has announced it will bring to the competition has both of those characteristics in spades. Serious spades. The only question unanswered is whether or not is has the lesser cards needed for a $10 million-winning royal flush. Putting that aside for now though, let's take a closer look at this electric cabin cycle and some of the cards it's holding.

18Detroit 2010: Edison2's Very Light Car scoffs at Electric Avenue

One of the vehicles on display in the Progressive Automotive X Prize booth at the Detroit Auto Show is the Very Light Car, an entry we hadn't seen before. Taking a similar attitude as the Rocky Mountain Institute about stripping away weight and complexity, the team behind the Very Light Car is doing everything possible to maximize the efficiency of the internal combustion engine hidden inside this poor man's Aptera. Yes, it's kind of ironic that an ICE vehicle is sitting on the show's "Electric

4Detroit 2010: Automotive X-Prize now pretty much the Michigan (based) X-Prize

The Progressive Automotive X-Prize has lost a lot of potential and participating teams over the course of the past few years, and today it lost a dozen cities. See, in early 2008, the AXP asked for bids to host trial events around the U.S. and at least 14 said they were interested. Yesterday, Peter Diamandis, the chairman and CEO of the X Prize Foundation, announced that nearly all of the actual on-the-road events will be held in Michigan. Make that the on-the-track events.

9SEMA 2009: Progressive Automotive X-Prize Contenders

EVI Wave2 Progressive Automotive X-Prize contender - Click above for high-res image gallery

3Optamotive to enter electric Campagna T-Rex in Auto X-Prize

It's been a few years since we've seen electrified versions of the Campagna T-Rex, a 3-wheeler with a 1,352 cc four-cylinder engine with nearly 200 horsepower. In late 2007 at the Electric Vehicle Symposium, a company called Silence Inc. showed off an electric vehicle based on the T-Rex called the PT2 that was capable of hitting over 125 miles per hour with a range of 125-250 miles.

1We heart the X Prize (just like everyone else); 50 teams expected to compete

There's nothing wrong with tooting your own horn from time to time, just so long as you happen to be deserving of praise. Such is the case with the Progressive Automotive X Prize, which says that it's managed to score more than a billion impressions (combined between web, print, radio and television) from the media for the 2008 calendar year. Expect plenty more coverage over the next year-and-a-half, with a good deal of it coming from Consumer Reports. We'll forgive them (this time) for neglecti

1X-Prize logo and name used to fool eBay bidders (and us)

We were skeptical of the technology claims, but didn't take the time to double-check another of the "facts" stated in a recent (and now ended) eBay auction for a Chrysler LeBaron convertible. It turns out that while BrocktonEnergyLLC used "Experimental X-prize" in the name of the auction, the folks over at the Progressive Automotive X Prize never heard of him. The X Prize's Bethann Buddenbaum writes:

17Video: Avion timewarps from 1984, sets new mileage record of 113.1 mpg

Remembered as the year that the Apple Macintosh first went on sale, Michael Jackson's hair caught on fire and Richard Petty won his 200th NASCAR race, 1984 was also when Craig Henderson and Bill Green finished building the Avion prototype. Designed to be as streamlined as possible and built on an aluminum chassis with a composite body, the car made the Guinness Book of Records by achieving 103.7 mpg on a West coast drive from Mexico to Canada. Now, more than 20 years later with an updated drivet

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