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GM shows off 'digital vehicle platform' enabling more in-car tech and OTA updates

It appears to have dropped the sobriquet "Global B," but General Motors' new electrical architecture has bowed in drawings and video. This is the "digital vehicle platform" GM president Mark Reuss spoke to Reuters about in 2015, saying it would move a great deal of a vehicle's computer work to the cloud and enable over-the-air updates. Reuss took the microphone for the debut, too, saying, "Our new digital vehicle platform and its eventual successors will underpin all our future innovations across a wide range of technological advancements, including EVs and expanded automated driving." The system will go into production later this year, appearing in dealerships first either on the 2020 Cadillac CT5 or the mid-engined 2020 Chevrolet Corvette. Yes, these are the same electronics cited for delaying the launch of the C8 Corvette over excessive draw, security and getting the more-than-100 computer modules to communicate seamlessly. When Car and Driver asked about that, GM replied with "No comment." Volkswagen's having the same issues with the Mk8 Golf right now, though, so GM isn't alone, and this will be the new normal among OEMs for a while. What's certifiable is that the new architecture is robust enough to handle 4.5 terabytes of data per hour, which is five times what GM's current wiring can handle. And thanks to Ethernet connections of 100 Mbps, 1 Gbs and 10 Gbs, communication within and without the vehicle happens much faster. The advances mean better screen resolutions, better battery management for hybrids and electric vehicles, the capability for over-the-air updates and "functionality upgrades throughout the lifespan of the vehicle." Cadillac's Super Cruise has already been lined up as a leading candidate for constant improvements in the driving assistance suite, a key part of GM's "vision for a world with zero crashes, zero emissions and zero congestion." And whenever GM decides to take the plunge, it will mean a 48-volt electrical system. More than 300 specialists worked on the digital platform, and security was a huge part of the task. We've already heard that GM consulted with Boeing and military contractors on how to prevent hacking. The carmaker has an internal Product Cybersecurity group that reached out to the research community, and created a "bug bounty" program to crowdsource uncovering any flaws.

Chevy Bolt to start at $37,500 before rebates

During the recent debut at the Consumer Electronics Show, Chevrolet only described the 2017 Bolt's cost as "affordable" without any further explanation. Now the company's promo site for the EV spilled the beans of the $37,500 price after destination. That means some buyers could get the five-door hatch for $30,000 after the $7,500 federal tax credit – at least as long as that lasts for the Bowtie brand. State incentives might also reduce the bill even more when the Bolt arrives in late 2016. Chevy wants the Bolt to be a mainstream and affordable vehicle that can attract a wide swath of buyers. The company estimates the five-door's range at over 200 miles, which should be plenty for most customers. The promo site also touts that the batteries can recharge in nine hours from the automaker's 240-volt home charger. Inside, buyers find a high-tech cabin with a customizable 10.2-inch infotainment screen and an 8-inch instrument display. To limit range anxiety, the vehicle's computers can take into account the way an owner drives, the weather, terrain, and more to calculate just how much distance remains from the batteries. The system also pushes people to be greener drivers through a game-like interface that offers rewards and rankings. If $37,500 or less for this five-door EV intrigues you, read our Quick Spin of a preproduction example from CES for a better idea of what the Bolt is really like. The powertrain's regenerative braking impressed us even over the short driving course, and the infotainment system seemed incredibly useful. Related Video:

Nissan Leaf has outsold Chevy Volt by 50% so far in 2015

We know, we know. The Chevy Volt and Nissan Leaf sales numbers for mid- to late-2015 aren't all that meaningful because of the impending arrival of the next-gen Volt and the expected but not-yet-totally-confirmed debut of the second version of the Leaf. Nonetheless, tracking the sales of the first two major plug-in vehicles is something that remains interesting to us, if for nothing else that the all-electric Leaf remains slightly more popular than the plug-in hybrid Volt after all this time. If we just look at August, the numbers were basically tied in the US. Chevy sold 1,380 Volts while Nissan moved 1,393 Leafs. But when we take a 10,000-foot view, the differences starts to appear. So far in 2015, GM has sold 8,315 Chevy Volts while Nissan has sold 12,383 Leafs. That means that the Nissan has outsold the Chevy by around 50 percent (to be specific, it's 48.92 percent). Since the two vehicles went on sale in the US at roughly the same time at the end of 2010, 81,672 Volts have been sold, compared to 84,705 Leafs. That's a difference of only 3,033 vehicles, so proponents of both powertrains can hold their heads high. Looking just at last month, Volt sales were 45 percent lower compared to August 2014. So far this year, Volt sales are down 36.7 percent. The Leaf didn't fare any better. Month-to-month, Leaf sales were down 43.7 percent in August, while year-to-date, Leaf sales are down 65.3 percent. Those second-gen models can't come soon enough. As always, we'll have our broader wrap-up of monthly green car sales for August up soon. Stay tuned. Green Chevrolet Nissan Electric Hybrid ev sales