Alas, with the total focus on clean emissions in the late ´60s-early ´70s, fuel mileage was completely overlooked, with the result that experimental steam cars of that era got worse fuel mileage than comparable gas cars.
Fuel mileage ranged from the Spirit´s 42.5-mpg average to the 35.1-mpg average of the Aero.
Fuel mileage with the stock chip had been a consistent 43 mpg.
How to save money by improving fuel economy and performance in any vehicle by up to 30% or more without expensive gadgets. Gas Mileage Bible is a must for anyone who drives a car. Simple scientific explanations on what causes losses and gains in fuel economy. Clear-cut gas-saving solutions, breaking down into straightforward categories: "no tech", "low tech", and "high tech".
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