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Recharge Wrap-up: Toyota HQ goes solar, CARB fights methane

Opel denies allegations about illegal emissions software as the German transport ministry begins its review. Opel has turned documents over to German authorities, and promises to hold a "constructive dialogue" while answering any lingering questions, says the automaker. Opel says that "the allegations reflect a wrong understanding of how diesel engines work." As German magazine Der Spiegel renewed questions about a cheat device similar to those used by Volkswagen, Opel reiterates, "We do not have any software that recognizes whether a vehicle is undergoing an exhaust emissions test." Read more at Automotive News Europe. South Korean President Park Geun-hye suggests that Seoul and Paris work together on the promotion of fuel cell technology. French industrial gases company Air Liquide manufactures liquid hydrogen, while Korean automaker Hyundai has already deployed its Tucson Fuel Cell crossover in select markets around the world. The two companies have signed a deal to cooperate on hydrogen technology. President Park visited an Air Liquide research center during a trip to Europe, where she said that a partnership between Hyundai and Air Liquide can help their countries stay ahead in the fuel cell vehicle market. Read more from Green Car Congress. CARB is proposing new rules for oil and gas facilities that would reduce methane emissions by more than 50 percent. The system, treatment, operation, and device standards would apply to onshore and offshore oil and gas production, storage, processing, and transmission facilities, covering procedures for leak detection and repair, equipment replacement, record keeping, and data reporting. "Methane emissions from the oil and gas industry contribute to California's [greenhouse gas] emissions and cost-effective reduction opportunities already exist and are available for use in the sector," CARB says. "In addition, reducing methane emissions from this sector will help slow the rate of climate change in the near-term and have an immediate beneficial impact on climate change." A hearing is scheduled for July 21 to discuss the proposal. Read more from SNL. Toyota's new Plano, Texas campus will get 25 percent of its energy from the sun. As Toyota plans to move into its new North American headquarters next year, it is building a 7.75-megawatt solar system to provide renewable energy for its operations. The solar arrays will be built atop three parking structures by the end of 2017.

Recharge Wrap-up: Nissan Leaf top environmental performer, 50,000th Renault Zoe

Renault has produced its 50,000th Zoe electric car. A Frenchwoman named Sylvie took ownership of the milestone vehicle at the Flins plant where it rolled of the line. She says her children helped convince her to buy the all-electric vehicle, which Sylvie intends to use as a daily driver. The Renault Zoe is Europe's best selling EV since its launch in 2013. Renault reports a 98-percent satisfaction rate with the Zoe. Read more in the press release from Renault. Toyota will use a biosynthetic rubber called biohydrin in its engine and drive system hoses beginning in May 2016. Jointly developed by Toyota, biohydrin is a plant-based rubber with a 20-percent reduction in material lifecycle carbon emissions compared to petroleum-based rubber. Toyota plans to use the compound in even more components in the future, including brake and fuel line hoses. Read more from Toyota. So far in 2016, only 27.5 percent of hybrids and EVs are traded in for another electrified vehicle, according to Edmunds. That's down from 38.5 percent in 2015. 33.8 percent of electrified vehicles are traded in for SUVs. Despite the trend of EV and hybrid owners switching back to traditionally powered vehicles, average fuel economy isn't suffering. "This is an economics trend, since today's low cost of gas no longer makes it worth paying the price premium of hybrids and EVs," says Edmunds Director of Industry Analysis Jessica Caldwell. "And there are so many fuel-efficient vehicles on the market today that environmental concerns weigh less than they might have in years past. When you're buying a vehicle that can get over 30 mpg, you can still say you're doing your part to help the environment." Read more from Edmunds. Environmentally, electrified vehicles outperform their conventional combustion counterparts throughout their lifecycle. A study from the Automotive Science Group (ASG) finds that while production of advanced powertrains comes with a greater financial burden, most vehicles make up for it through efficiencies during their use phase. The ASG lists the 2016 Nissan Leaf as its best performer, with 47 percent fewer greenhouse gas emissions than the best-performing conventionally powered car, the Honda Fit. Rounding out the ASG's top five environmental performers are the Ford Focus Electric, Chevrolet Volt, Toyota Prius Two Eco, and Hyundai Sonata Plug-In Hybrid.

MotorWeek proves '90s were awesome with Supra, Stealth, RX-7, Corvette, 968, 300ZX comparo

Oh, the heady days of 1993, back when the Clinton Presidency was just getting underway, and it seemed like every hot new rock band was coming out of Seattle. Sports cars in the US had finally shaken off the shackles that slowed them during the '70s and '80s, and you could buy any number of legitimately quick vehicles again. MotorWeek recently went digging into its archives to find this six-model test from 1993 showing off some of the best semi-affordable performance coupes that money could buy at the time, and it's priceless.
Featuring the 1994 model year Toyota Supra in twin-turbo guise and MY 1993 versions of the Porsche 968, Nissan 300ZX TT, Mazda RX-7, Dodge Stealth R/T Turbo and Chevrolet Corvette LT-1, MotorWeek definitely covered all of the bases. One thing that might surprise younger readers is these cars' performance. The video only provides 0-60 acceleration times, but several of these vehicles would still be considered pretty potent today - over 20 years since going on sale. The Supra is especially impressive, hitting 60 miles per hour in just 5 seconds. Even today, that's nothing to sneeze at.
Given their performance potential and still-attractive looks, it's amazing that some of these coupes are old enough to drink now. The progress of interior design and safety equipment in the intervening years is pretty shocking, though. In most of these models, having two airbags is touted as a big deal. Scroll down to watch a Throwback Thursday blast from the past about some of the '90s best sports cars.