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"The troubled California-based electric car maker, which was backed by U.S. taxpayers to the tune of nearly $530 million, for months has been looking for a financial partner. Reuters reported earlier this week that China's Zhejiang Geely Holding Group is favored to take over, though Fisker is also reportedly weighing a bid from another Chinese auto maker.
The development comes after Fisker's main battery supplier -- U.S. government-backed A123 Systems -- was recently purchased by a separate Chinese firm."
"We find that EVs powered by the present European electricity mix offer a 10% to 24% decrease in global warming potential (GWP) relative to conventional diesel or gasoline vehicles assuming lifetimes of 150,000 km. However, EVs exhibit the potential for significant increases in human toxicity, freshwater eco-toxicity, freshwater eutrophica- tion, and metal depletion impacts, largely emanating from the vehicle supply chain. Results are sensitive to assumptions regarding electricity source, use phase energy consumption, vehicle lifetime, and battery replacement schedules. Because production impacts are more significant for EVs than conventional vehicles, assuming a vehicle lifetime of 200,000 km exaggerates the GWP benefits of EVs to 27% to 29% relative to gasoline vehicles or 17% to 20% relative to diesel. An assumption of 100,000 km decreases the benefit of EVs to 9% to 14% with respect to gasoline vehicles and results in impacts indistinguishable from those of a diesel vehicle."
tldr for the tldr: Because of the environmental impact of making batteries and other components for electric cars they must have a lifespan of greater than 100,000km otherwise they will offer no help in minimizing global warming.