In the same week that the Obama administration announced its new fuel economy standard, U.S. automaker General Motors announced it would halt production of the Chevrolet Volt electric car for four weeks, citing the car’s failure to meet targeted sales projections, according to Bloomberg news.

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GM sold 10,666 Volts in the U.S. in July. Global sales were targeted at 60,000 units, with 45,000 on the U.S. market. Sales for 2011 were also under target, and even though an investigation into vehicle safety concluded that the Volt did not pose a fire risk, the congressional hearings on the issue led to a slow-down in sales.

According to Bloomberg, citing