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Chris Harris and David Coulthard wring out a Mercedes Fintail at the N"urburgring

If there's one thing we've learned from the latest video from Drive, it's that the combination of Chris Harris and David Coulthard will produce some very quotable moments. Take this exchange, for example.
DC: "We are by some way the slowest."
CH: "But we're in a class of three cars, apparently."

Mercedes GLS updates Silver Star seven-seater

It can be bewildering, the staggering array of crossovers and SUVs offered by Mercedes-Benz. There's the G, the GL, the GLK and the GLA, not to mention the new GLE and the ML that basically started it all. So you can forgive yourself if you've never heard of the GLS. After all, it doesn't currently exist. But it will soon. In accordance with Benz's new nomenclature, the GLS-Class will be the replacement for the GL – the largest of the Mercedes utility vehicles and the only one with three rows of seats. Since the current GL was only launched about two and a half years ago, the new nameplate won't be attached to an all-new model just yet. But as you can see from these spy shots, it appears that Mercedes is preparing a facelifted version of the existing model to fit into the new (or at least renamed) lineup. The biggest changes discernible from these spy shots is the revised front end, with new headlights, a more upright grille and a reshaped bumper and hood to go along with it. Around back the changes are more subtle, with reshaped tail lamps, bumper and exhaust pipes. Inside we're expecting a cleaner center console with a new 8-inch touchscreen reportedly inspired by the iPhone. We don't know when, exactly, to expect the revised GLS to arrive on the scene, but given the relatively modest nature of the revisions and how close they look to being ready, we wouldn't expect it to be long now. Whether those minor changes will be enough to keep up with the all-new Audi Q7 just announced, however, is another matter entirely.

Recharge Wrap-up: Houston's bus revival, autonomous trucks on the Autobahn

A documentary shows how Houston, Texas significantly improved its outdated bus system. Called High Frequency: Why Houston is Back on the Bus, the short film describes how the city reimagined its bus system to become more efficient, more useful and more popular. Despite some opposition, the change has proven to be effective, with bus ridership up eight percent in three months, and light rail ridership up due to complementary bus routes. See the video above, and read more at CityLab. Automakers sent autonomous semi trucks on the German Autobahn as part of the European Truck Platooning Challenge of 2016. Mercedes-Benz, Volvo and Scania, among other groups, sent platoons of trucks between Stuttgart, Germany, and Rotterdam, Holland. In Mercedes's platoon of three trucks, the lead truck was fitted with lasers and other sensors to guide the convoy down the road. The two following trucks relied on vehicle-to-vehicle communication to trail 50 feet behind the lead, making room for cars to come between them and closing the gaps when able. The close following distance provides fuel economy gains of up to 10 percent in the rearward trucks on account of the reduction in drag. Read more at Hybrid Cars. Renault has reduced NOx emissions in its Euro 6b diesel vehicles in real world driving conditions. By improving its exhaust gas recirculation systems and NOx traps, nitrogen oxide emissions are cut in half on average, under certain driving conditions. The improvements will be included in vehicles leaving the factory beginning in July of 2016. Beginning in October, owners of Renault Euro 6b diesels can have the modifications added to their cars for free. Read more from Renault. Tata Technologies is creating an innovation lab in California to partner with EV technology companies. Having a tech center in California allows Tata to work on technologies that will largely be deployed in the company's main market of Asia. "Today, we are partnering with companies and startups who have aspirations to sell in China, but a lot of what they do is in California," says Samir Yajnik of Tata Technologies. Read more from The Economic Times. BMW's i Ventures is investing in mobility-as-a-service software provider RideCell. RideCell provides technology for services such as carsharing, ridesharing and other transit services. "The convergence of transportation trends in cities is of key importance to BMW," says Ulrich Quay, head of BMW i Ventures.