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How GM's grueling 24-hour test gets the kinks out of its performance cars

One of the biggest challenges automakers face when designing a high-performance car is making sure that it is both fast and reliable. For General Motors, any car that might be taken to the track by its owner - like the Corvette, Camaro Z/28 (shown above) and the Cadillac CTS-V, for example - undergoes a rigorous and strenuous 24-hour test by engineers at the Milford Proving Grounds, as pointed out by Car and Driver.
We've posted on this topic in the past - on a video showing the Camaro ZL1 being brutalized, for instance - but this article gives a more in-depth look at what actually happens behind the scenes... including what that poor ZL1 went through. Though the test isn't for 24 hours straight, the cars are pushed as hard as possible by some of GM's best drivers with only the brakes and tires replaced frequently.
We don't want to ruin the fun for you, but it is an interesting article that tells just some of what GM does to develop its sports cars. Check out the full article over at Car and Driver for the rest of the story.

2014 Cadillac ELR

Well, this is awkward.
A few years ago, Audi Of America's boss Johan de Nysschen went on record describing the Chevrolet Volt as "a car for idiots." Fast-forward to earlier this summer, and the well-regarded executive suddenly found himself in a new office with new business cards bearing the title: President, Cadillac. That means that among other challenges, de Nysschen is now tasked with selling the ELR, a car that is, at its core, a Volt in a sportier, less utile frock wearing a price tag that's twice as expensive.
Frankly, it's not a prospect we imagine the South African executive and recent Infiniti boss relishes. Just about nobody is buying the ELR - Cadillac has sold but 774 examples of its plug-in hybrid coupe this year and it presently has an almost a 200-day supply according to Automotive News. What's more, those numbers actually represent big improvements over just a few months ago, before GM started heaping on the incentives. The cynic in us says that the bad news for De Nysschen is that he's got a borderline sales-proof car in his new corporate garage. The good news? Cadillac customers apparently aren't idiots.

GM to build $1.3 billion Cadillac plant in China

General Motors has gotten approval to build a $1.3 billion manufacturing facility for its Cadillac brand in China. China's National Development and Reform Commission signed off on plans for GM to build the plant in the country's Shanghai's Jinqiao zone; construction is expected to begin in June of this year. According to a Bloomberg report, the plant will have an annual production capacity of 150,000 units.
No surprise here, but Cadillac would like to sell a lot more cars in the plush Chinese luxury market. The brand moved only 30,010 cars in China last year, compared with 400k for Audi, and about 330k for BMW. With Cadillac already telling us that it would be moving production of its XTS sedan to China - a production decision that saves having to pay 25-percent import tariffs - approval of the factory is a critical win for the company.
In fact, according to earlier comments by GM China president Bob Socia, it's at least conceivable that Chinese-built Cadillacs could be shipped back to the US for sale. The brave new world of globalization, getting stranger by the minute.