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Artist imagines eerie world where cars have no wheels

The wheel ranks right up there with the telescope and four-slice toaster in the pantheon of inventions that have moved humankind forward. But what if a circle in three dimensions had never occurred to anyone, and we all had just moved on without it? Perhaps we'd be driving around in Lucas Motors Landspeeders with anti-gravity engines. Or maybe we'd have the same cars we do today, just without wheels.
That's the thought experiment that seems to have led French photographer Renaud Marion to create his six-image series called Air Drive. The shots depict cars throughout many eras of motoring that look normal except for one thing: they have no wheels. The models used include a Jaguar XK120, Cadillac DeVille (shown above), Chevrolet El Camino and Camaro, and Mercedes-Benz SL and 300 roadsters.
Perhaps one day when our future becomes our past, you'll be able to walk the street and see with your own eyes the rust and patina of age on our nation's fleet of floating cars. Until then, Monsieur Marion's photographs will have to do.

Cadillac CT5-V comes in under $50,000

Cadillac CT5-V pricing is out, giving us a fuller picture of the CT5 lineup from a pricing perspective. We still haven’t driven CadillacÂ’s new sedan, but we now know that a CT5-V with rear-wheel drive will set you back $48,690, including the $995 destination charge. If you want all-wheel drive, thatÂ’ll be $51,290, a $2,600 upcharge. ThereÂ’s a small tidbit of powertrain news available today, as well. When Cadillac first announced the CT5-V, it said the 3.0-liter twin-turbo V6 would make 355 horsepower and 400 pound-feet of torque. Since then, Cadillac has upped the final figures to 360 horsepower and 405 pound-feet of torque. The difference is only 5 horsepower and 5 pound-feet of torque, but still worth noting. We also got pricing information on the CT5 with the lower-spec 3.0-liter twin-turbo V6. This engine is only available on the Premium Luxury trim and it starts at $45,190 with rear-wheel drive. The all-wheel drive version costs $48,280. Cadillac opened up the CT5Â’s configurator with all the different variants on it today, too. We built a CT5-V with all the option boxes checked and saw the price balloon to more than $67,000. This sedan can get expensive if you let it. Compared to the BMW M340i or Audi S4, the Cadillac's base price is still cheaper. If you want to keep it in the Cadillac family, the smaller CT4-V starts at $45,490, coming in $3,200 less than the CT5-V. Cadillac says the CT5 will begin shipping to dealers in the first quarter and the CT4 will arrive in the second quarter.

GM patent reveals new two-stage turbocharger

Modern turbochargers may be some of the best ever made, but performance is something that engineers are always trying to improve. According to GM Inside News, General Motors (GM) is hoping to alleviate some of the negative aspects of a two-stage turbocharger setup with a newly-patented design. The patent, that was filed on May 19, 2016, reveals a clever bypass system that allows the engine, a four-cylinder unit, to optimize both the low-pressure and high-pressure inlets for its respective functions. According to the filing, a conventional two-stage turbocharger setup is engineered to allow both turbines to operate simultaneously at low and mid engine speeds. At high engine speeds, only the low-pressure turbine works. The setup can't isolate either the low or high pressure side, which can impair low-end performance. GM's new two-stage turbocharger setup looks to eliminate this by linking the high-pressure turbo to the exhaust manifold through the high-pressure inlet duct. The low-pressure turbo is attached to the high-pressure turbo by a low-pressure inlet duct, which is linked to a connecting channel. A single actuator that is housed in the exhaust manifold creates a bypass that can opens the high-pressure inlet or close the connecting channel. Depending on what the engine load and speed is, the ECU guides the actuator—a single rotating spindle with discs corresponding to flanges on the high and low pressure sides—to isolate one of the two turbos. Isolating the turbos allow the respective inlets to be engineered for the best possible fluid dynamic performance. The setup should increase performance and decrease lag. There's no word on what car this setup will make an appearance on, but it will most likely be used in premium vehicles before trickling down to the rest of GM's vehicles. Related Video: News Source: GM Inside News, AutoGuide via GM Authority Cadillac Chevrolet GM Technology Sedan turbo patent engine turbocharging