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Why we can't have better headlights here in the U.S.

It wouldn't be a European auto show if we weren't teased with at least one mainstream vehicle we can't have here. At the Geneva Motor Show last week, the small but vocal contingent of shooting-brake buffs lamented that the Mazda6 wagon won't be coming to our shores, although they can take comfort in the fact that the vehicle won't get the torquey 250-horsepower 2.5-liter turbocharged gasoline engine we'll get here. Mercedes-Benz also announced a new headlight technology in Geneva that likely won't be available here anytime soon. It's just the latest in a long line of innovative and potentially lifesaving front-lighting solutions that the federal government doesn't allow in this country due to outdated standards — and a current lack of leadership at the U.S. Department of Transportation. Mercedes-Benz's new Digital Light system that debuted in Geneva uses a computer chip to activate more than a million micro-reflectors to better illuminate the road ahead. The Digital Light headlamps works with the vehicle's cameras, sensors and navigation mapping to adjust lighting for the given location and situation and to detect other road users. The Digital Light technology also serves as an extended head-up display of sorts by projecting symbols on the pavement ahead to alert drivers to, say, slippery conditions or pedestrians in the road. And it can even project lines on the road in a construction zone or through tight curves to show the driver the correct path. Digital Light will be available on Mercedes-Maybach vehicles later this year, although like any technology it's bound to trickle down to less expensive vehicles. That is, if we ever get it here in the U.S. Audi, a leader in automotive lighting, has repeatedly run into snags trying to bring state-of-the-art car headlights to the U.S. The German luxury automaker's recently introduced matrix laser headlight system, which performs many of the same trick as Mercedes-Benz's Digital Light, also isn't legal on U.S. roads. And five years after the introduction of its matrix-beam LED lighting, which illuminates more of the road without blinding oncoming motorists with brights by simultaneously operating high and low beams, Audi still can't bring that technology to the U.S. either.

Audi 4.2-liter V8 to live again in next-gen R8

Fellow auto enthusiasts, it looks like the car gods have smiled upon us. Word is that Audi's stupendous 4.2-liter V8 will once again be available in the next-generation R8. Rumors pegged the trusty 4.2 as a dead engine revving, thanks to Audi's newer 4.0-liter twin-turbocharged V8 found in models like the S6 and S7.
We expected the 4.0-liter to be the go-to engine in the next R8, but according to Car and Driver, there have been some issues cooling the force-induced mill in the mid-engine R8. The issues are so severe, in fact, that the 4.2 is going to be retained in the car's second generation.
It's more than just practical matters like cooling that are keeping the R8 from going turbocharged. C/D reports that even with the current state of forced induction, a turbocharged R8's throttle response and its resultant exhaust note would suffer too much to be feasible.

Electric 1960 Auto Union 1000S has vintage looks, modern power

If you want to buy a classic car but somehow feel a twinge of guilt about the old engine polluting too much, then it's worth taking a look at this 1960 Auto Union 1000S on eBay Motors. The owner removed the original three-cylinder, two-stroke and installed a fully electric powertrain. In place of the internal combustion engine, there's an Azure Dynamics three-phase AC24 motor to spin the front wheels, and it even has regenerative braking. Lithium-ion batteries replace the rear seat and extend into the trunk to supply 21.5 kWh of energy storage. The seller claims the Auto Union weighs 2,400 pounds, so the powertrain might be rather lively in such a light car. From the outside, this Auto Union is immaculate. The owner's body-off restoration includes powder coating the chassis and suspension and repainting the exterior in Ascot Grey with the white roof. The color scheme looks perfect on cars of this era. The interior now has a digital instrument cluster in the center of the dash. We could see this change upsetting some purists because of the clash between original and modern. However, the reupholstered fabric seats look amazing. The owner has covered 15,000 miles since the restoration, so any powertrain bugs have been worked out in that time. As of this writing, the bidding is at $15,100 with 28 bids and the reserve is not yet met. The auction ends Sunday, April 10. While the seller provides great photos with the sale, you can see the EV in motion below in a video Audi created about it in 2014.