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Investigators Find No Defect Trend With Tesla Motors' Model S

Federal safety investigators said Friday they have found no apparent defect trends in the Tesla Model S, an electric luxury car that has its share of fans and critics. The National Highway Traffic Safety Administration closed a four-month investigation into whether the car's batteries were at heightened risk for underbody strikes and subsequent fires. Even though no defect trend was found, Tesla Motors said in a written statement it would further protect the bottom of its cars with a reinforced underbody shield. The California-based automaker started adding the shields on March 6 and will retrofit older models free of charge. It will also increase the ground clearance of new cars. "This fix should eliminate the potential of a battery-pack fire under all but the most extreme circumstances," said Karl Brauer, a senior analyst at Kelley Blue Book. Although there are more than 194,000 car fires in the United States every year, NHTSA investigators began a preliminary investigation into potential trouble on Nov. 15, 2013 following two Model S fires, one in Tennessee and one in Washington. No one was injured or killed in either fire. Roadway debris punctured the battery pack near the front of the compartments in both cases, damaging the batteries' lithium ion cells that then began "thermal runaway" events. The opposite ends of the debris had dug into the pavement and jutted upward. Tesla called this a "piking effect." The company said it has conducted 152 vehicle level tests, and that the new shields prevented any damage or penetration of the new shields. The first is a rounded, hollow aluminum bar that's followed by a titanium plate. The third layer of protection is made of solid aluminum. (There's video of the new plates in action on the Tesla Motors website). "We have tried every worst-case debris impact we can think of, including hardened steel structures set in the ideal position for a piking event," Tesla Motors founder Elon Musk wrote on the company's blog," essentially equivalent to driving a car at highway speed, into a steel spear braced on the tarmac." Approximately 15,805 vehicles are eligible for the upgrades, which NHTSA says should reduce the frequency of underbody strikes and subsequent fire risks. But the agency did note that the closing of the investigation did not necessarily constitute a finding that a defect does not exist. "The agency reserves the right to take further action if warranted by new circumstances," it said.

Jaguar I-Pace vs. Tesla Model X and Model S: How they compare on paper

When Jaguar released its first specifications on the 2019 I-Pace, we decided to see how it stacks up with a number of other EVs including the Tesla Model 3, Chevy Bolt EV, and Hyundai Kona EV. The reason being that they all deliver between 200 and 300 miles of range, and they were all quite close in size. But it wasn't a perfectly accurate comparison, because the Jaguar occupies an odd space in the electric market. While it offers similar range and size to those more entry-level EVs, it packs substantially more power, more brand cachet, and, once the official pricing was released, a much higher price tag. As such, we wanted to also compare it with the cars synonymous with luxury electric motoring (literally), the Tesla Model X and Model S. We're only comparing it with the base-level 75D models of each Tesla, since they are the closest in price and performance to the Jaguar. You can see the raw stats below, and can find more analysis and highlights farther down. If you'd like to compare these cars with others, be sure to try out our comparison tools. Performance All three of these electric cars use a similar powertrain consisting of two electric motors, one up front and one in the rear to power all four wheels. The Jaguar I-Pace's 394 horsepower and 512 pound-feet of torque is a fair bit more than the 328 horsepower and 387 pound-feet combined power from the Teslas, according to Motor Trend. But in the sprint to 60 mph, the Jaguar doesn't really gain an advantage. It's 0.4 seconds quicker than the Model X, but 0.3 sec. behind the Model S. This is despite the Jaguar weighing about the same as the Model S, and a few hundred pounds lighter than the Model X. View 32 Photos At 90 kWh, the Jaguar also has a larger battery capacity than the Tesla 75D models, but range is again mid-pack between Musk's cars. At 240 miles, it's just 3 miles ahead of the Model X, and 19 miles behind the Model S. The I-Pace and Model X also are about as hungry for electricity as each other, both with an energy consumption estimate of about 36 kWh/100 miles, while the Model S is the most frugal at 33. All three vehicles have the ability to use DC fast chargers, with Jaguar claiming an 80-percent charge in 40 minutes at a 100-kW charger. But only the Teslas have access to the Supercharger network, and they come with credits for free charging up to 400 kWh at those stations. Exterior and Interior Dimensions In every measurable way, the Jaguar is smaller than the two Teslas.

Car and Driver 10Best list cracked by Tesla Model S, BMW 3 Series left off

Car and Driver is keeping new blood pumping into its annual 10Best cars list with three new entries making it on for 2015 and a perennial favorite falling off. Among the biggest shocks this year is that the BMW 3 Series and 4 Series are no longer named, despite years of some portion of that lineup earning a mention. In another surprise, the Tesla Model S (specifically in S 60 trim to fit under the $80,000 cost cap) makes it to the 2015 roster and is the only electrically motivated member of the group. Despite the loss of the 3 Series, BMW isn't entirely shut out this year, because the M235i gets its name on the list. Car and Driver argues that the little coupe feels like a welcome throwback to the E46 chassis M3 of the early 2000s. In addition to the Model S, the final newbie to the annual group is the 2015 Ford Mustang GT. The inclusion of these new members knocks the Audi A6/A7 family and Ford Fiesta ST out from the 2014 rundown. The other seven models carry over from last year, including the Cadillac CTS, Chevrolet Corvette Stingray, Honda Accord, Mazda3, Mazda6, Porsche Boxster/Cayman and Volkswagen Golf/GTI. The 2015 10Best cars list certainly seems to have something for everyone from the hot hatch fan to the family man and even the green car driver, thanks to the addition of the Tesla. Head over to Car and Driver to read its detailed explanations for each vehicle's inclusion, but if you've got a difference of opinion or just really like the list, let us know in Comments. Featured Gallery Car and Driver 2015 10Best Cars List View 10 Photos News Source: Car and DriverImage Credit: Car and Driver, BMW, Cadillac, Chevrolet, Ford, Honda, Mazda, Porsche, Tesla, Volkswagen Auto News BMW Cadillac Chevrolet Ford Honda Mazda Porsche Tesla Volkswagen Convertible Coupe Hatchback Performance Sedan 10Best