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40+ cars that barely avoid the gas guzzler tax

The Gas Guzzler schedule, with mpg ratings and charges that haven't changed since 1991, lays out which fuel-swillers owe what to Uncle Sam.
I started thinking about the "Gas Guzzler Tax" - considerably less well known as The Energy Tax Act of 1978 - when I was driving Dodge's new Challenger SRT Hellcat last week. Unsurprisingly for a car that can burn 1.5 gallons of gas per minute at max tilt, theoretically able to empty a full tank of premium in about 13 minutes, the Hellcat will be subject to the Gas Guzzler Tax schedule when it goes on sale.

'Faster. Farther.' dives into the history of Porsche racing tech

No doubt, Porsche has produced some of the best endurance racecars around, such as the turbocharged, slant-nose 935 of the 1970s and the ground-effects-enhanced 956 and 962 of the 1980s. But the company's most famous racecar, its first overall winner at the 24 Hours of Le Mans, was the 917.
The 917 embodied many of Porsche's technological achievements up to that point, such as the company's first 12- and 16-cylinder engines (the flat-16 was never used in competition), fiberglass bodies that implemented early aerodynamic practices and the use of new, exotic materials, such as magnesium and titanium.
The racecar was commissioned by the head of Porsche Motorsports, Ferdinand Piëch, to win overall at the 24 Hours of Le Mans in 1970, after he realized a loophole in the rules that allowed cars to compete with engines up to five liters in the Sport category if they were also production models. Piëch saw opportunity: the top prototype class was restricted to three liters; the production minimum to compete in Sport was 25 cars. And so, with much effort, Porsche assembled 25 "production" 4.5-liter 917s and had them parked in a neat line for the race inspectors to verify their legitimacy. It didn't take long before people realized the new Porsches were much faster than the prototype racers, with a top speed approaching 250 miles per hour.

Porsche 911 Targa 4 GTS caters to a very specific customer [w/video]

Porsche is happy to cater to some very specific buyer demographics, and the brand's newly unveiled 911 Targa 4 GTS at the 2015 Detroit Auto Show is the perfect example of that tendency. The sports coupe is aimed at the customer who wants open-air driving without a full convertible, all-wheel drive traction and a little extra performance, all wrapped in a sporty package. Launching in the US in late-April, 2015, for $132,800, plus a $995 destination charge, this high-performance Targa benefits from all of the goodies from Porsche's GTS line. That gives it a 3.8-liter flat-six boasting 424 horsepower and 325 pound-feet of twist, and the choice of either a seven-speed PDK or seven-speed manual. The model also gets the Sport Chrono package, PASM, 20-inch wheels and a sport exhaust. Picking the PDK means the Targa 4 GTS can hit a top speed of 188 miles per hour and sprint to 60 mph in 4.1 seconds. Opting for the manual makes the run to 60 take a few more ticks at 4.5 seconds and scarcely cuts the top speed to 187 mph. The Targa 4 GTS is more than just about boosted performance, and shows off some handsome styling tweaks, as well. It wears a modded front bumper with an extra opening to cool the middle radiator. Plus, the wheels are 20-inch units from the 911 Turbo S, and the Bi-Xenon headlights get smoked coverings. Inside, drivers are held firmly in place by Sport Plus seats covered partially in black Alcantara. Porsche apparently sees a hole in its lineup that a higher-performance Targa can fill, and here it is. Look below for a video of intricate top doing its fascinating dance and read the German brand's full press release about the its latest take on the venerable 911. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. The new 911 Targa 4 GTS More powerful, dynamic and exquisitely styled To mark the 50th anniversary of the 911 Targa, Porsche is offering this very popular model in the more powerful and dynamic GTS version for the first time. The targa concept of the 911 Targa 4 GTS delivers very safe driving enjoyment with all-wheel drive and a rollover protection bar; it also delivers open-air fun with a targa top that stows fully automatically. Contributing to a boost in dynamic performance are the 430 hp (316 kW) GTS engine together with the standard Sport Chrono package, PASM chassis, 20-inch wheels and a sport exhaust system.