Progressive Insurance Automotive X PRIZE Concludes Knockout Qualifying Stage; 15 Vehicles from 12 Teams Continue On
Green Car Congress
JULY 2, 2010
For emissions, vehicles had to meet the minimum US EPA emissions standards in on-track challenges. Commuter Cars, Tango (Spokane, WA) Battery Electric. Vehicles also had to complete emissions, efficiency, and range events in which they had to achieve at least two-thirds the minimum fuel economy and range requirements.
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