Quote:
Originally Posted by redpoint5
From what I've heard, building a trike is as different from building a 4-wheeled vehicle as anything since the many regulations are either non-existent, or much relaxed.
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Even with the car-like cockpit, certification as a motorcycle is an easy loophole to overcome the cost and complexity. When it comes to motorcycles, it seems like the lack of harmonization between EPA/NHTSA rules and other ones applied in other countries is also less of a trouble for motorcycles and tricycles than it would be for a conventional car.