1999 Audi A4 Quattro Base Sedan 4-door 1.8l on 2040-cars

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Electric turbos promise big performance and efficiency gains in the near future

An electric turbo system boosts efficiency between 15 and 20 percent, according to Audi.
Turbochargers, like acoustic guitars, use moving air to create magic. And electric turbochargers, like electric guitars, provide the ability to amp up that magic to amazing new levels.

Audi to lap Hockenheim in driverless RS7

An automaker like Audi will always have a number of different research and development projects going at the same time, and some of them might take on very different approaches. At one end, you'll have its racing programs, and at what you'd assume would be the other, self-driving prototypes. But Ingolstadt is preparing to bridge that gap by running an autonomous prototype at racing speed around the famed Hockenheimring.
Set to take place on Sunday, October 19, during the DTM season finale at Hockenheim, the driverless RS7 will motor at speeds up to 150 miles per hour, right up "to its physical limits with millimeter precision."
Audi anticipates that "the world's sportiest piloted driving car" will run a lap time of just over two minutes, at which the RS7 would stand not only to be the fastest driverless car ever to lap the circuit, but also potentially the fastest four-door - if it can beat the 2:02.71 lap time set by a BMW M3 sedan in 2007.

Audi-only rental car company expands

With the lines and occasional hassle, getting a rental car after a long flight can be daunting, even if you already have a reservation. Now, a company called Silvercar is trying to inject some luxury and modern, high-tech features into the process to make it less of a chore. The business recently expanded to O'Hare International Airport to offer visitors to Chicago a fleet exclusively comprised of silver Audi A4s. Silvercar is based in Austin, TX, and is being run by Luke Schneider, a former chief technology officer at ZipCar. He told Crain's Chicago Business that the rental industry "hasn't innovated in 30 to 40 years." Silvercar's big innovation is in the booking process. Like ordering practically anything today, it's all done through a smartphone app. Customers then scan a QR code on the Audi's windshield to get going. At the end of the rental, the bill is emailed to you. Prices start around $59 a day on weekends and $89 during the week, according to Crain's. Because they're all A4s with GPS and Wi-Fi, everyone gets the same car. In the world of ridesharing companies like Uber and Lyft, rental cars might seem passe, but according to Crain's, the rental market at O'Hare alone amounts to over $300 million a year. Silvercar's location there isn't at the actual airport, though. Instead, a shuttle picks up customers to take them to the company's site nearby. The business is working on a national rollout to 10 airports by the end of June, including major locations like LAX and Denver. Related Video: The video meant to be presented here is no longer available. Sorry for the inconvenience.