The vehicles must have at least 3,500 cc of engine displacement and cannot exceed 4,000 cc.

Typically this means the cost to repair the vehicle would equal or exceed the car's value, although legal definitions vary.

The vehicle also cannot exceed a set speed, or the system will deactivate.

Most rules do not apply until the vehicle exceeds a specified time, such as 10.99 seconds.

However this did not help as the vehicle still would not climb hills or exceed 10 miles per hour, on level ground.

These exceptional vehicles far exceeded their 90-day mission mandates, partly because of free, renewable, solar power.

As long as the vehicle has not exceeded the warranty time or mileage limitations, these warranties apply.

"We're confident this vehicle offers adequate protection for its occupants and meets all the standards it needs to meet, or exceeds them," she said.

Many non-commercial vehicles (both auto and truck) have exceeded one million miles.

The vehicle may not exceed 6 feet high, 20 feet long or 6 feet wide.