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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.

Jaguar C-X17 crossover concept revealed, hides new lightweight aluminum architecture

Just as Jaguar teased earlier this month, the luxury marque is debuting its first-ever sports crossover concept at the 2013 Frankfurt Motor Show, which begins this week. In addition to previewing what a soft-roading Jag might look like, the C-X17 concept also showcases the brand's new advanced unibody aluminum architecture, which it calls the future of its brand.
The British automaker touts the new technical foundation as high-strength, lightweight and extremely stiff, and notes that it incorporates sustainable technologies such as a high-strength alloy made from recycled raw material. The architecture's flexibility means Jaguar will be able to simultaneously manufacture several vehicles on the same production line - a change that will ultimately help the automaker grow its product portfolio.
Indeed, if the C-X17 concept sees production, it would represent a completely new direction for Jaguar, which has previously focused on luxury sedans and sports cars. However, while Jaguar says a range of future models will be built using the new architecture, it hasn't yet mentioned a crossover. The first model to be built on the new underpinnings will launch globally in 2015, and it's - you guessed it - a premium midsize sedan.

Say goodbye to Jaguar's vestigial oval grille

Jaguar has been on a campaign to replace any and all retro cues with modern ones. Just look at the current XJ and the one it replaced, or the XF and the S-Type that came before it and you'll know what we mean. The one remnant is the XK and its oval grille, in and of itself a throwback to Jags of old (which started to look more like a certain Star Wars alien in above-pictured XKR-S form). But don't expect it to hang around.
Newer Jaguars have been ditching the oval aperture for a more squared-off one, and the next XK will have to fall in line. But don't expect that to be the only change in store for the next-generation Jaguar coupe and convertible.
With the new F-Type now holding the more enthusiast-oriented ground, the next XK is expected to grow bigger, softer and more luxurious. That will likely mean a more commodious back seat as well, though that shouldn't be hard to do considering the lack of space in the back of the current model...