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GM considering new powertrain options for large SUVs

Aside from the new General Motors offerings, there's not a whole lot of action going on in the fullsize SUV segment. That doesn't seem to be stopping GM from pushing the envelope in the market as Automotive News is reporting that the automaker is looking to introduce some new powertrain options into the Chevy Tahoe (and Suburban), GMC Yukon (and Yukon XL) and the Cadillac Escalade - all have been redesigned for the 2015 model year.
Now, we already know that GM and Ford are collaborating on nine- and ten-speed transmissions for a broad range of applications (including the big SUVs), but this new report says that GM is also considering other options as a way to one-up the competition and, of course, to optimize fuel economy. AN quotes Jeff Luke, executive chief engineer for GM trucks, as saying that "interesting powertrain technologies" are coming including a return of a hybrid SUV and possibly even a diesel engine. Although it sounds like the latter could come down to how customers respond to the 2014 Jeep Grand Cherokee EcoDiesel.

Cadillac ELR update delayed over autonomous drive systems issues

Rumors had been circulating that the 2016 Cadillac ELR would bow in Los Angeles recently, featuring, in Cadillac's own words, "engineering enhancements." The rumors and that quote are as far as it got – the updated ELR pulled a no-show in LA, and no one outside of the brand appears to know when it will appear. GM Inside News says its sources at Cadillac pinned the ELR's absence on some autonomous driving features not being ready to reveal. According to GMI, Cadillac insiders say the upgraded ELR will be a "highly autonomous vehicle," and the company needs more time to gets its systems polished. The site says "it's not unreasonable to assume that ELR will be [the] vehicle" that gets Cadillac's Super Cruise technology, but that seems a lot more involved than "engineering enhancements," and in September Cadillac said we'd see it sometime in the next two years. It's possible the wait for the 2016 ELR and its secrets might only be a couple of months: the next-generation Chevrolet Volt, which shares a platform with the ELR and whose engineering updates we know quite a bit about, is scheduled to appear at the 2015 Detroit Auto Show in January.

Driving the 2016 Cadillac CTS-V at the old Elkhart Lake road course

The placid community around Elkart Lake, WI, looks about as far removed from a glorious motorsport venue as you can imagine. A turn of the century downtown gives way to old-school resorts, beaches, and boat launches around the picturesque lake, with farms framing the rolling hills all around. But it was those very same meandering country lanes that gave birth to one of America's greatest racing circuits, some 65 years ago. Between the first race in 1950 and the opening of the dedicated Road America track in 1956, the roads around Elkhart Lake provided the setting for some great post-war racing. Competing on public streets was ultimately outlawed across the country, but not before drivers risked life and limb in the name of glory in the Wisconsin summer. Cadillac asked us out to the area recently, not to talk racing history, but to look forward at one of the most track capable cars the company has ever offered: the 2016 CTS-V. We got to drive the 640-horsepower beastie for an entire morning of hot laps at Road America, but unfortunately, we're not allowed to tell you about all of that right now. You'll have to wait until the embargo lifts on August 3, at which point we promise a full recounting of our adventure. Having the CTS-V for a full two days though, and in the spirit of the motorsport that imbues the air in Elkhart Lake, we took the Cadillac on a drive around the old 6.5-mile road course. Come for the new Caddy, but stick around to find out what the hell Wacker's Wend is. Cadillac Luxury Performance Videos