Then the 1973 oil embargo hit, fuel mileage became the number-one issue, and the steam car projects of the time were ´Dead On Arrival´.
At the bottom of the screen, a calculation of the vehicle´s gas mileage at the current instant is displayed; it ranges from about 7 MPG (when I floored the accelerator from a stop) to 99 MPG (on any flat or downhill road).
This index is essentially the opposite of the octane rating, where a high octane fuel resists spontaneous ignition, and therefore does not tend to ´knock.´ The cetane number of 100 was arbitrarily assigned to ´cetane´ or n-hexadecane, a straight-chain aliphatic chemical compound that burns very well, in the single-cylinder test diesel engine.
Other than the obvious difference in the fuel requirement, the TDI is a remarkable little engine.
In D-4 direct injection, fuel and air is injected directly into the cylinder, instead of mixing it in the intake port which is how conventional fuel injection works.
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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