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1993 Mazda RX-7 Retro Review | A '90s hero turns 25

Boom times build interesting cars. In the late 1980s, Japan was flush with capital, and automakers spent like the party was never going to end. Suddenly building the third-generation RX-7 — the world's most advanced twin-turbo rotary sports car — seemed like the most natural thing a small car company hailing from Hiroshima could do. On this side of the Pacific, however, there was no context for the sudden influx of unusually tricked-out Japanese hardware flooding American dealerships. And none of the Japanese sports cars of the era was more unusual than the FD-generation Mazda RX-7, imported from 1993 to 1995 (and continuing on in Japan until 2002). Although the island nation's economy was headed on a downward spiral by the end of 1990, Mazda was in no position to pull back and walk away from the development dollars that had already been spent on its latest RX-7. As a result, Americans were able to briefly bask in the glow of one of the most unique engineering experiments ever unleashed on unsuspecting buyers. For its time, the Mazda RX-7 was a spaceship. With fluid lines that screamed "exotic," it joined the NSX in showing that supercars didn't have to have European blue blood running in their cooling systems to elegantly snag eyeballs. The twin-rotor, 1.3-liter 13B-REW situated behind the RX-7's front axle revved all the way to 8,000 rpm on its quest to produce 255 horsepower and 217 pound-feet of torque, with a pair of sequential turbos handing boost duties back and forth around the 4,500 rpm mark. A five-speed manual gearbox was standard with the FD (a four-speed automatic was optional), as was a curb weight in the neighborhood of 2,800 pounds — nearly 500 lbs less than the contemporary Toyota Supra. Significant figures for the era, to be sure. While they might pale in comparison to the average sports car today, slide into the RX-7's cockpit and drive the car, rather than just crunch the numbers. You'll quickly discover what can be accomplished when the company that engineered the Miata pulls a full John Hammond and "spares no expense" developing a world-beating sports car platform. The 1993 Mazda RX-7 I've been loaned from Mazda's classic collection is an R1 car, which means tighter suspension tuning, a few cosmetic upgrades, and a Competition Yellow paint job.

Mitsuoka Rock Star is a Miata in a Chevy Corvette Sting Ray disguise

Mitsuoka is a famous (infamous?) Japanese custom car builder known for its absurd, and occasionally out-of-this-world vehicles. Its most iconic vehicle was the mid-engine Orochi, but its bread and butter are normal Japanese cars given front and rear styling from the past, usually sometime between the 1930s and 1950s. One of the more recent examples is the Mitsuoka Himiko, a Mazda Miata given a classic European roadster look. But the company has ventured a little further ahead in history with its latest model, the Mitsuoka Rock Star, which quite clearly is meant to be a C2 Chevy Corvette Sting Ray. The effect is actually pretty convincing, and as far as Mitusokas go, it looks smartly proportioned and a good fit for the base car. That base car is the current Mazda Miata, known as Roadster in Japan. It probably helps that the base Miata was designed with exaggerated fenders and creases from the get-go, so the even more exaggerated lines of the Corvette fit surprisingly well. Outside of the body, the car is pretty much identical to a regular Miata. It uses the same naturally aspirated 1.5-liter four-cylinder as all overseas examples. That means it makes just 129 horsepower and 111 pound-feet of torque, so this doesn't even come close to the fire-breathing power of real C2 Corvettes. Of course, that could be rectified with an LS V8 swap from Flyin' Miata. The engine is coupled to either a six-speed manual transmission or an automatic. The manual can also be had with a limited-slip differential. There are a number of available upgrades including custom colors for the body and the windshield surround. You can also add a custom leather interior with body-color coordinated panels. Mitsuoka will even provide retro-style wheels with white-letter BF Goodrich tires for the complete look. If you live in Japan and find this vehicle appealing, you'd better be ready to shell out plenty of cash. At current exchange rates, the base Rock Star starts at $41,636. The price goes up from there with options. In contrast, a base Mazda Miata here in the U.S. starts at $26,625, a little more than half that of the Mitsuoka. And of course, the U.S.-spec Miata is substantially more powerful. If you want the Mitsuoka, you'll also have to get in touch with the company quickly. There will only be 50 examples, and you have to apply for one. Related Video: News Source: MitsuokaImage Credit: Mitsuoka Mazda Convertible Performance mitsuoka

Recharge Wrap-up: Tesla road rage video, Mazda tests EVs vs. hybrids

A Tesla Model S driver was caught driving recklessly in a dashcam video. On Toronto's Don Valley Parkway, the driver of a white Model S can bee seen speeding along the left shoulder. Another car moves partway onto the shoulder to block the driver, who moves back into the left lane. As traffic slows, the driver pulls back onto the shoulder and speeds away. The folks at Teslarati suggest that this serves as an example of why vehicle autonomy could make the roadways safer. See the video above, and read more at Teslarati. Formula E will be broadcast live on Italy's Rai network for the next two seasons. The programming will include the live races, as well as practice and qualifying highlights, podium celebrations, interviews and other pre- and post-race coverage. "It's a great opportunity for Formula E and motorsport fans to have Rai broadcasting the live races of our series in Italy," says Trulli Formula E team owner Jarno Trulli. "It's a step forward to make the series grow and get stronger after a successful first season. I'm looking forward to cooperate with Rai and show the Italian fans what we are truly doing with our technology." Read more from Formula E. A new study links a decline in cancer risk to California's air quality regulations. The study from CARB found that cancer risk from toxic air contaminants declined 76 percent from 1990 to 2012, a time period that corresponds with regulations targeting those contaminants. Even as the amount of diesel miles driven has steadily increased, cancer risk from diesel particulate matter has declined significantly. The paper predicts that cancer risk will continue to drop as a result of controls on toxic emissions. Read more at Green Car Congress. Mazda is conducting consumer trials of hybrid and electric vehicles in Japan to gauge reception. Depending on whether hybrids or EVs prove to be more popular, Mazda will adopt one of the two types of powertrain for future production vehicles. The automaker is currently testing an electric Mazda2 against a hybrid Mazda3. While this round of testing is focused on the automaker's home market, Mazda may need to expand trials to the US in response to tightening regulations in California. Read more at Green Car Reports.