Porsche 924 Turbo With Parts on 2040-cars

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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.

Porsche revisits its remarkable SC East African Safari rally car

Porsche and motorsports just seem to go hand-in-hand. The brand has defined itself by its ability to compete on the track with the concept that racing bred better road cars. While we are used to seeing 911s speeding along circuits around the world, the rear-engine icon's success in rallying is somewhat less well known. The Porsche Museum aims to fix that by highlighting a 911 SC that competed in the 1978 East African Safari Rally.
The 911 rally car definitely projects a '70s vibe. You wouldn't see too many racecars with a pink brush bar sliding through the stages these days, but it looks amazing. Its bank of spotlights and two, giant, hood-mounted horns definitely give away the car's purpose. Best of all, that fantastic Martini livery defines the looks of Porsche racers from this era.
The 911 SC performed well in the East African Safari Rally, but some suspension damage meant that this particular one never raced again. It's been a part of the Porsche Museum ever since. Scroll down to learn a little more about one part of the brand's off-road legacy.

Porsche 911 Aerodynamic prototype cheated the wind ahead of its time

You might think that sports cars would have the lowest drag coefficient of all cars. And yes, they do tend to be more slippery than, say, SUVs or convertibles, but the sleekest vehicles on the road tend to be EVs, hybrids and luxury sedans. Sports cars, on the other hand, have aerodynamically detrimental needs for downforce and additional engine cooling. Still, the Porsche 911 is better than most, and has only gotten more so over the years. Its relatively narrow track and compact form mean it has a smaller frontal area than some other sports cars, and the gradual sweeping back of its headlights and windshield have only augmented its capacity for cheating the wind.
This 911 prototype, however, is even more aerodynamic than most. It's based on a "G model" 911 from 1984, but employed such features as covered wheels, a new rear spoiler and a reprofiled front end to drop its drag coefficient from 0.40 to 0.27, making it as slippery as a modern sedan and better at cheating the wind than just about anything built up to that point, save for maybe the Tatra 77, Citroën SM or Tucker Torpedo.
Elements of this prototype ended up gradually making it into production Porsches for years to come, and you can clearly see early influences on the second-generation 964 and even on the 959. It's featured here as the latest installment in a video series on rare historic Porsches unearthed from the company archives, following previous clips that featured a rare V8-powered 911 and a mid-engined 911 prototype. Scope out the latest episode in the video below.