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Saleen hints at tuning Tesla Model S

Saleen has been dropping breadcrumbs about its plans to develop a modified version of the Tesla Model S for a while now, and has finally released the first renderings that show off its changes to the electric sedan.
The four renderings indicate a comprehensive makeover for Saleen's Tesla. The front bumper is completely different with the absence of a grille and new louvered air intakes at the corners. The turn signals on the quarter panel appear to be open now, and the hood has new creases angled toward the center. One of the renderings promises an additional carbon fiber rear diffuser, carbon-ceramic brakes and carbon fiber deckled trim. The rear also has a larger spoiler and more aggressive rear bumper with brake cooling ducts at the corners. The interior appears relatively untouched, but the seats and much of the upholstery has been covered in a mix of leather and Alcantara.
Previously, Saleen promised to amp up the Model S' performance even farther, but it still hasn't gone into detail about what it's changing or how much it is going to cost. "I fully intend to produce one of the most compelling Tesla's to ever hit the roadway," said Steve Saleen, company founder and CEO in an earlier statement. We have contacted Saleen for more details about its plans for the Model S, and we'll update this story when we hear back.

Battery-pack production for plug-ins, hybrids, triples in three years

Panasonic's standing in the plug-in and hybrid battery production industry has zoomed ahead like a Tesla Model S taking off from a standstill. That's appropriate because the Japanese company's relationship with the California-based automaker has been the primary reason for its growth, which looks like it will continue to be rapid. According to new numbers from Lux Research, battery manufacturers are producing 1.4 gigawatt-hours worth of batteries for plug-in and pure battery-electric vehicles per quarter, up from under 200 MWh in early 2011. Lithium-ion batteries account for 68 percent of the current total, while nickel-metal hydride batteries (like the one used in the non-plug-in Toyota Prius) account for 28 percent. The rest are made up of small numbers of things like solid-state batteries. Panasonic has been the primary beneficiary of electric vehicle growth (click on chart to enlarge). The company has a 39percent market share for plug-in and hybrid batteries, while NEC has 27 percent and LG Chem has 9 percent. As for demand, Toyota, Tesla and Renault-Nissan account for about three-quarters of all batteries used for plug-in and hybrid vehicles. Panasonic expanded its battery-production deal with Tesla last October. There are more details in the Lux Research press release below. Panasonic Has 39% Share of Plug-In Vehicle Batteries, Thanks to Its Deal With Tesla Batteries for Plug-Ins and Hybrids Were a $660 Million Market in Q1 2014, Led by U.S. Demand, According to Lux Research's New Automotive Battery Tracker BOSTON, MA--(Marketwired - May 6, 2014) - Batteries for hybrids and plug-in vehicles are growing fast, more than tripling over the past three years to reach 1.4 GWh per quarter, according to the Automotive Battery Tracker from Lux Research. Panasonic has emerged as the leader thanks to its partnership with Tesla, capturing 39% of the plug-in vehicle battery market, overtaking NEC (27% market share) and LG Chem (9%) in 2013. "Even at relatively low volumes -- less than 1% of all cars sold -- plug-in vehicles are driving remarkable energy storage revenues for a few developers, like Panasonic and NEC, that struck the right automotive partnerships," said Cosmin Laslau, Lux Research Analyst and the lead author of the new Lux Research Automotive Battery Tracker.

Top horsepower-per-dollar cars in 2017

Bang for the buck. That quasi-scientific statistic is bandied about by motor heads everywhere from classrooms to barrooms, though the truth of the matter is that it's exceedingly complex to measure. A fair performance-per-dollar index would include something like cross-referencing MSRP (Manufacturers Suggested Retail Price) with point-to-point times on a track or driving route, which is obviously hard to do comprehensively. But, for the sheer joy of talking about cars and playing with a big spreadsheet, there's always the horsepower-per-dollar index, which is more straightforward, albeit hilariously flawed. There are vagaries even with this simple formula, of course: MSRP for vehicles can change at a moment's notice, to say nothing of the bottom-line shifting that happens with local deals or showroom negotiation. For this list we're running with the straight MSRP wherever possible, and as recently reported as we can get it. All the vehicles on this list are 2017 models, and all trims are reported where the lowest price and differing power levels intersect. Some choices were made for personal preference and some for sanity, avoiding things like all 48 trim levels of the Ford Transit, all with the same horsepower). If this list were a simple top ten, or even a top fifty, you'd be bored to tears with all the red, white and blue that is represented. Following perfectly with conventional wisdom, American cars really do lead the world where hp/$ is concerned. So, for the sake of variety (and the sheer joy of seeing a minivan 'win' one round of this thing) I've sorted out some top five and bottom five lists for broad power categories. Let's dive in. Less Than 100 Horsepower Okay, okay, this is hardly a category we'll grant you. But we've often tried to click off all the sub-100-hp cars on sale in the US, and making this list gave us an excuse. It also illustrates that none of these smallish vehicles bring cheap horsepower to the table - for that you'll need a motorcycle. The segment-leading Chevy Spark (above) asks just over $139 for each hp, and that Smart Fortwo Electric Drive has hp on sale for about the same price as its very distant family cousin, the Mercedes-Benz SL65 AMG (insert your favorite Smart joke here... we know you want to).