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Road & Track names its 2013 Performance Car of the Year

Road & Track recently staged its first annual Performance Car of the Year test, pitting 13 new and updated performance cars against each other on track, then graduating the top six to a road test before picking a winner. Additionally, the magazine staff picked the best automobiles of the year in eight categories.
But first, let's cover the PCotY segment. Here's the list of cars brought to the comparison test: Audi R8 V10 Plus; BMW 435i; BMW M6 Competition Package; Chevrolet Corvette Stingray Z51; Ferrari F12 Berlinetta; Ford Fiesta ST; Jaguar F-Type V8 S; Jaguar XFR-S; Mercedes-Benz E63 AMG S-Model Wagon; Mercedes-Benz SLS AMG Black Series; Mini John Cooper Works GP; Nissan GT-R Track Edition; and Porsche Cayman S.
To find out the results of the comparison, head over to Road & Track's website or check the press release below, where you'll also find the magazine's top-rated vehicles in eight categories. Want more? Head over to the 2013 PCotY hub. But before you do that, take a stab at guessing the winner of PCotY (we'll give you one hint: it isn't a Porsche).

Japan plans real-world diesel emissions test after companies fail

Japan's transport ministry plans to start real-world diesel emissions tests after an experiment found four models from Toyota, Nissan, and Mitsubishi that produced more nitrogen oxide (NOx) emissions than the nation's rules allow, according to The Japan Times. Regulators there usually only perform emissions checks in the lab. The VW diesel scandal has everyone double-checking their figures. Diesel versions of the Toyota Hiace van, Land Cruiser Prado, and Nissan X-Trail produced up to 10 times more NOx than allowed. The Mitsubishi Delica D:5 was up to five times over the limit, The Wall Street Journal reports. There was no evidence of defeat devices in the vehicles. Mazda performed well in the experiment, though. The CX-5 passed with nearly the same results on the road and in the lab. The Demio, better known as the Mazda2, did nearly as well with only slighter higher figures in the real world than in the controlled setting. The experimenters theorized the reason for the excessive emissions was that cold weather caused the engines' software to shut off the exhaust gas recirculation to prevent damage, according to the WSJ. However, this behavior also increased NOx production. Toyota, Nissan, and Mitsubishi don't have to worry about punishment from the transport ministry because this check was just an experiment. Their models already passed the mandated lab tests, which was the only requirement, according to The Japan Times. As governments begin greater real-world emissions tests, the results suggests diesels aren't very clean. A recent check in France found models from Ford, Renault, and Mercedes-Benz that didn't perform up to the standards. Regulators in India conducted similar evaluations and ordered VW to recall over 300,000 vehicles. Related Video:

Weekly Recap: The cost of Tesla's ambitious plans for growth

Tesla has ambitious plans for growth, and they won't come cheap. The electric-car maker said this week it plans to spend $1.5 billion in 2015 to expand production capacity, launch the Model X crossover and continue work on its Gigafactory, which is being built outside of Reno, NV. The company is also investing in its stores, service centers and charging network, which is expected to grow by more than 50 percent this year. Plus, it's still working on the Model 3, which is scheduled to arrive in 2017. "We're going to spend staggering amounts of money on [capital expenditures]," Tesla chairman and CEO Elon Musk said on an investor call. He then added: "For a good reason. And with a great ROI [return on investment]." They're bold plans, and Musk is clearly willing to put Tesla's money where his mouth is. That's why the company is projecting a whopping 70-percent increase in deliveries this year, for a total of 55,000 cars. A large chunk of that growth will come from the addition of the Model X crossover to Tesla's portfolio, and the company already has nearly 20,000 reservations for it. More than 30 Model X prototypes have been built, and it is expected to begin shipping to customers this summer. Musk said he's "highly confident" the vehicle, which has experienced delays, will arrive on time. The company also had more than 10,000 orders for the Model S at the start of the year. The big spending plans caused a stir, even though Tesla spent $369 million on capital expenditures in the fourth quarter alone. In a note to investors, Morgan Stanley analysts called the costs required to keep pace with Tesla's demand "eye-wateringly high," and said the $1.5-billion figure was nearly double their expectations. Still, Musk is not thinking small and suggested that his company could be as big in 10 years as Apple is now if Tesla's growth continues. His optimism comes as the company actually reported a $294-million net loss in 2014, more than its $74-million loss in 2013. The money, however, continues to roll in, and total revenues increased to $3.2 billion in 2014, up from $2 billion in 2013 and a dramatic surge from $413 million in 2012. More of the same is expected this year, and the company could reach $6 billion in revenue. As Morgan Stanley noted, it "seems Tesla is preparing to be a much larger company than we have forecasted." It's certainly spending that way.