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Cold weather testing
The cars are expected to start in temperatures as cold as 40 degrees below zero. If the Ontario winter turns unseasonably warm, the cars can be placed in garage-sized freezers.
Tests including dousing the cars in water and letting them sit in the freezing cold overnight then trying to get them open in the morning.
NEXT: Hot weather testing
Last updated March 24 2008: 10:25 AM ET
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