Due to ethanol´s lower energy per unit volume, it should take more fuel to maintain a stocheometric (perfect) air/fuel ratio, which all newer vehicles will attempt to do (closed-loop fuel control being pretty much standard for the last 20 years).
The Toyota Camry 2.0 available locally runs a 1AZ-FE which is similiar, just without the D-4 direct injection and using conventional electronic fuel injection instead.
For every 10% ethanol added to the fuel, a mileage loss of 3% should be expected.
The strongest selling point to choosing the TDI Beetle over the other trim lines was that the gas mileage was out of this world!
Despite Ford Motor´s return to profitability in 2003, the environmental group notes that Ford has so far failed to reinstate their pledge to increase SUV fuel mileage by 25 percent, or offer alternatives for reducing greenhouse gas emissions from the Ford fleet.
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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