The Doble cars were amazing! I've heard rumors that they got 30mpg in a 6,000lb vehicle and also would have met current California air pollution standards. These cars were also very sporty for their time period and were comparible to a Duesenburg.
The Stanley's were known for being the first to make a car go two miles per minute (120mph) and had a production car that could hit 60mph but not maintain that speed from what I understand. However, the Doble could maintain a very high speed.
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