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How to get incredibly accurate information on your EV's charging power

One would think that paying about $300 to receive a bit of bad news about electric-vehicle charging would be counterproductive. But the fine folks at Teslarati believe that truth is beauty, and they're willing to pay a little extra for the straight dope. There are always losses when taking power from the grid and shoving it into an EV's battery pack. The question is how big are these losses. Teslarati calculated digital read-outs from the dashboard of their Tesla Model S all-electric sedan and found that Tesla builds in about a nine percent efficiency loss when it comes to recharging the car. But the blog thought the Tesla couldn't know exactly what was transpiring between the wall and the battery, so it footed the bill for about $300 to install a digital submetering unit from EKM Metering. With a little calculation, Teslarati was able to figure out after a couple of recharging rounds that the efficiency loss per recharge was closer to 15 percent than nine percent. That means that, instead of paying about 48 cents on the dollar relative to filling up an economy car (factoring in the AAA average price of $3.66 per gallon), Tesla owners are paying about 52 cents on the dollar. Not much compared to paying upwards towards $100,000 for the vehicle itself, but, hey, every cent counts, right? Get all of the details here. Featured Gallery Tesla Model S View 10 Photos News Source: Teslarati Green Tesla Electric recharging

Hack A Tesla, Win $10,000

In the world of computers, competitions that challenge so-called "white hat" hackers are fairly common. Break into this system in X minutes and we'll give you Y dollars. Rarely, though, does this world cross over with the realm of automobiles. At the 2014 SyScan Conference, which runs from July 16 to 17 in Beijing, hackers have the chance to win $10,000, provided they can break into the systems of a Tesla Model S. According to BidnessETC, in order to win, a successful hack will need to remotely access the 17-inch touchscreen display (shown above) that dominates the Model S cabin in order to surf the Internet and access the vehicle's controls. While we're not computer experts, it seems like a tall order. The Model S may maintain a constant data signal via its driver's cellphone, but it seems unlikely that Tesla hasn't installed a comprehensive security system to prevent electronic tampering. Tesla, for what it's worth, has no part in the competition. It will be interesting to see if there are any successful attempts. As Forbes mentions, hackers have been successful in gaining access to more conventional automobiles, although those attempts were under the watchful supervision of DARPA researchers. Of course, we'll find out just how potent the company's security efforts are when the conference kicks off next week.

Recharge Wrap-up: Smart Fortwo engine fires, Tesla finalist for Extole Advocacy and Customer Experience award

NHTSA has launched a preliminary investigation into complaints of Smart Fortwo engine fires. So far, the agency has received eight complaints about the rear engine compartment catching fire in model year 2008 and 2009 Fortwos and quickly engulfing the car. Six of the fires occurred while driving and were preceded by a check engine light. "The safety of our customers is our primary concern, and we are cooperating with NHTSA in its inquiry," says parent company Mercedes-Benz. "We are not aware of any injuries related to this inquiry." Read more from Automotive News. Volkswagen will pay $1.6 billion (US) in Canada as part of a settlement of its diesel emissions scandal. The funds will be used to fix or buy back some 105,000 affected cars, compensate owners between $3,815 and $4,451 above the buyback price, and pay a $11.2 million civil fine. So far, VW has agreed to spend over $18 billion in North America in connection with its diesel emissions cheating, and is expected to settle on a resolution of its 3.0-liter diesel vehicles in the US soon. Read more at Hybrid Cars, or from Automotive News. Tesla is one of three finalists for the Extole Advocacy and Customer Experience Award. The award recognizes companies that turn customers into brand advocates through referral programs. In Tesla's current program, customers who buy a car using a referral link get $1,000 off the price of their car, while referring owners are awarded prizes including a signed Powerwall 2 and invitations to unveiling events. Referring owners are also entered into a drawing to win a Model S or Model X. "With a disdain for paid advertising, Tesla Motors is leading the trend of reaching new customers through existing ones," says Extole. The other finalists are Hanna Andersson and Ulta Beauty. Read more at Teslarati. Related Gallery Review: 2009 Smart ForTwo View 20 Photos News Source: Automotive News, Hybrid Cars, Automotive News, TeslaratiImage Credit: Copyright 2016 Sebastian Blanco / AOL Government/Legal Green smart Tesla Volkswagen Green Automakers Safety Diesel Vehicles Electric recharge wrapup