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2017 Audi S4 goes running naked through the Alps

Audi just launched its new A4 sedan barely more than two months ago, bringing with it a raft of improvements over the outgoing model. And you know what that means: A new S4 performance model is just around the corner. Fortunately, that's just what we have here in these latest spy shots, snapped completely undisguised. Spotted testing in the Alps, the new Audi S4 is closely based on the new A4 we've already seen, benefiting from all its enhancements and weight savings. Only it promises to be more potent. Where previous S4s packed V8 engines and the current (outgoing) model pressed a supercharged V6 into service, this new model is tipped to switch to a fresh turbocharged V6. Expect power to rise from 329 horsepower up to 340 or more, and with less weight to motivate, we can expect performance to improve markedly in the process. Along with a more powerful engine, the S4 clearly stands out visually from ordinary A4s with bigger intakes, upgraded rolling stock, quadruple exhausts, and more. We'll have to wait a little longer to find out all the sordid details, but from the look of it, we won't have to wait long. In fact, we'd be surprised if Ingolstadt didn't take the opportunity to unveil it at the Frankfurt Motor Show this month, so watch this space for more and scope out the photos in the gallery above in the meantime.

Everybody's doing flying cars, so why aren't we soaring over traffic already?

"Where's my flying car?" has been the meme for impending technology that never materializes since before there were memes. And the trough of disillusionment for vehicles that can take to sky continues to nosedive, despite a nonstop fascination with flying cars and a recent rash of announcements about the technology, particularly from traditional automakers. Earlier this month, Toyota applied for an eye-popping patent for a flying car that has wheels with spring-loaded pop-out helicopter rotors. The patent filing says the wheels/rotors would be electrically powered, while in on-land mode the vehicle would have differential steering like tracked vehicles such as tanks and bulldozers. At an airshow in July, Aston Martin unveiled its Volante Vision Concept, an autonomous hybrid-electric vertical takeoff and landing (VTOL) vehicle it developed with Rolls-Royce. Aston says the Volante can fly at top speeds of around 200 mph and bills it as a luxury car for the skies. Audi used the Geneva Motor Show in March to unveil a flying car concept called the Pop.Up Next it developed with Airbus and Italdesign. If the Pop.Up Next, an electric and autonomous quadcopter/city car combo, gets stuck in traffic, an app can be used to summon an Airbus-developed drone to pick up the passenger compartment pod, leaving the chassis behind. Audi said that the Pop.Up Next is a "flexible on-demand concept that could open up mobility in the third dimension to people in cities." But Audi also acknowledged that at this point it has no plans to develop it. The cash-stoked, skies-the-limit Silicon Valley tech crowd is also bullish on flying cars. The startup Kitty Hawk that's backed by Google co-founder Larry Page announced in June that it's taking pre-orders for its single-seat electric Flyer that's powered by 10 propellers and is capable of vertical takeoffs and landings. The current version can only fly up to 20 mph and 10 feet in the air and has a flight time of just 12 to 20 minutes on a full charge. The Flyer is considered a recreational vehicle, so doesn't require a pilot's license. Uber says it plans to launch its more ambitious Elevate program and UberAIR service in 2023. "Uber customers will be able to push a button and get a flight on-demand with uberAIR in Dallas, Los Angeles and a third international market," Uber Elevate promises on its website.

Audi's new 1,000-hp hybrid pulls like a freight train

Audi's latest plug-in hybrid handles like it's on rails, and pulls like a freight train. That's because it's a train, and literally rides on rails. The vehicle in question is a locomotive which the German automaker developed for its main factory in Ingolstadt incorporates over 11 miles of railroad tracks, along which are transported parts and completed vehicles to be moved around the site. To carry out those duties, Audi teamed up with French manufacturer Alston to deploy a new hybrid locomotive on premises. The locomotive features a plug-in hybrid propulsion systems capable of running on electric power alone for two hours at a time, and can be plugged in to recharge during down-time. The upshot is that it not only pollutes less overall, but can be run inside warehouses more safely. When the power runs out, the electrical system is backed up by a diesel engine. Audi reports that 15 trains arrive at the factory every day. It employs 17 locomotive drivers on site. And each locomotive runs for 3,800 hours each year. Whether we can take Audi at its word when it comes to diesel emissions or not, the company claims that the new hybrid locomotive cuts its carbon emissions by half, taking 60 tons of CO2 out of the atmosphere each year. 10/30/15 Ingolstadt Hybrid locomotive at Audi plant in Ingolstadt This Audi drives on rails: A 1,000 horsepower plug in hybrid locomotive manufactured by Alstom replaces the plant locomotives previously used at the Audi plant in Ingolstadt as of today. This means that components and finished Audi models will now reach the plant's loading stations in a more climate friendly way. "Our goal is all-round sustainable logistics," stated Johann Schmid, head of the Audi plant railway in Ingolstadt. "The new railway technology allows more economical, energy-efficient and low-emission rail transport. In connection with the latest chassis technology, the plug-in-hybrid locomotive sets new standards in shunting and rail transport." The complete automobile plant in Ingolstadt includes 18 kilometers of railways. Every day, 15 goods trains arrive at Ingolstadt North railway station for Audi – loaded with pressed parts, engines and transmissions, as well as cars from other Audi sites that are ready for delivery to customers. And cars produced in Ingolstadt also start their journey to customers by rail. 17 Audi locomotive drivers work at the plant railway. One of their tasks is to allocate the wagons to the various plant buildings.