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Weekly Recap: Diesel scandal continues to fuel VW's woes

Volkswagen's woes continued this week when it was delisted from the Dow Jones Sustainability Index and stripped of awards. Senators are also lining up to advocate for criminal and civil action against the automaker, and its consumer reputation is in tatters. Put simply, it's been another rough period for VW. Despite this, the company eked out a sales gain of less than one percent in September, though that was well behind the overall market's performance. Sister brand Audi, which sells a diesel A3, was less affected, posting a 16-percent gain in September. Revelations that Volkswagen rigged millions of diesel-powered cars around the world didn't surface until September 18, so the full sales impact of the ongoing scandal won't likely be felt until October. Meanwhile, VW's image continues to take a beating, and an AutoPacific survey found only one in 14 vehicle owners have a positive opinion of the company. Before the scandal broke, three-quarters of respondents had a positive view of VW. The survey also found 64 percent don't trust Volkswagen, though the same number believe other companies are or may also be using cheating devices to pass emissions tests. "The reputation of diesels has been severely damaged, at least for the short term," Ed Kim, AutoPacific's vice president of industry analysis, said in a statement. Despite the lingering malaise, experts believe VW will recover, just as Toyota and General Motors eventually emerged from their own high-profile controversies. "Consumers have proven through numerous recalls that they are resilient and quickly return to their buying habits," Kim said. OTHER NEWS & NOTES Mazda to reveal sports car concept in Tokyo Mazda will bring a curvy sports car concept to the Tokyo Motor Show in October. The automaker is being especially coy with the details, only releasing the dark teaser shot that you see to the right and a cryptic statement that suggests the concept "condense[s] Mazda's entire history of sports-car development into a single model." Immediately, speculation abounded this is an RX-7 and RX-8 successor, though Mazda didn't specify what engine the concept will have. Reportedly, the company is still working on rotary engines. Mazda will have a Cosmo Sport 110S on its stand in Tokyo, which pioneered rotary technology in 1967. Read into that what you will. The Rock pitches Ford service Dwayne Johnson, also known as The Rock, is the new frontman for Ford service.

Aluminum lightweighting does, in fact, save fuel

When the best-selling US truck sheds the equivalent weight of three football fullbacks by shifting to aluminum, folks start paying attention. Oak Ridge National Laboratory took a closer look at whether the reduced fuel consumption from a lighter aluminum body makes up for the fact that producing aluminum is far more energy intensive than steel. And the results of the study are pretty encouraging. In a nutshell, the energy needed to produce a vehicle's raw materials accounts for about 10 percent of a typical vehicle's carbon footprint during its total lifecycle, and that number is up from six percent because of advancements in fuel economy (fuel use is down to about 68 percent of total emissions from about 75 percent). Still, even with that higher material-extraction share, the fuel-efficiency gains from aluminum compared to steel will offset the additional vehicle-extraction energy in just 12,000 miles of driving, according to the study. That means that, from an environmental standpoint, aluminum vehicles are playing with the house's money after just one year on the road. Aluminum-sheet construction got topical real quickly earlier this year when Ford said the 2015 F-150 pickup truck would go to a 93-percent aluminum body construction. In addition to aluminum being less corrosive than steel, that change caused the F-150 to shed 700 pounds from its curb weight. And it looks like the Explorer and Expedition SUVs may go on an aluminum diet next. Take a look at SAE International's synopsis of the Oak Ridge Lab's study below. Life Cycle Energy and Environmental Assessment of Aluminum-Intensive Vehicle Design Advanced lightweight materials are increasingly being incorporated into new vehicle designs by automakers to enhance performance and assist in complying with increasing requirements of corporate average fuel economy standards. To assess the primary energy and carbon dioxide equivalent (CO2e) implications of vehicle designs utilizing these materials, this study examines the potential life cycle impacts of two lightweight material alternative vehicle designs, i.e., steel and aluminum of a typical passenger vehicle operated today in North America. LCA for three common alternative lightweight vehicle designs are evaluated: current production ("Baseline"), an advanced high strength steel and aluminum design ("LWSV"), and an aluminum-intensive design (AIV).

NHTSA closes book on Ford, GM probes of 600,000 vehicles

US safety regulators have closed a pair of investigations into some 500,000 Ford Crown Victoria, Mercury Grand Marquis and Marauder sedans built between 2004 to 2007, and 100,000 Chevrolet Impala models from 2014. The Ford investigation focused on rusting heat shields, which may become dislodged and jam the steering, according to Reuters. The National Highway Traffic Safety Administration found that this happened very rarely. In fact, of the ten incidents filed with the government safety watchdog, six came from a single police department, which evidently had some sort of problem with its reporting. As for the Impala, the NHTSA investigators attributed two incidences of "unintended autonomous braking" to user error. In both cases, the vehicles were involved in rear-end collisions. According to GM investigators, it's believed that drivers accidentally activated the electric parking brake, causing the collisions. The vehicles in question were rental cars. Featured Gallery Ford Crown Victoria Related Gallery 2014 Chevrolet Impala View 10 Photos News Source: ReutersImage Credit: Ford, Chevrolet Government/Legal Chevrolet Ford Safety Sedan ford crown victoria mercury grand marquis