I have also found that shifting the transmission into neutral and letting car coast down hills, (with the engine sipping fuel at idle, about 600 rpm), increases fuel economy up over 100 mpg! When the car has finished coasting downhill, I gently shift it back into Drive, let the transmission engage, (takes about 3 seconds), and then re-accelerate. No problem. I am able to get another 30-40 miles per tankful doing this and that's absolutely free. But otherwise, just modifying my driving habits a little bit by coasting hills saves me hundreds of dollars a year in reduced fuel costs.
Scott, My understanding is, you can not tow an automatic in neutral 50 miles, because you will burn up the transmission.
Perhaps this may have changed in the last few years, IDK.
The front wheels must be lifted, or the drive shaft disconnected.
It may not be good (Dropping your tranny into neutral).
It does more than just overheat the fluid.
There are several systems designed by Toyota to reduce the amount of fuel the engine burns while coasting.
If you had a manual transmission, you would save, but you would be constantly re-engaging your cruise control.
Just something to think about. I could be wrong (And very little would result from my being wrong).
In response to another fuel economy thread, I bet there are many ways to improve our MPG's without feeding our engines "high-fructose corn syrup" and asking it not to burp.
Note: we are not actually feeding our engines high-fructose corn syrup, I made that up, but you know what I am alluding to.
Oh My, Corn.....
Popping corn...
Argh!!!!!!!!!!!
How in the world can our leaders sleep at night?
Now, I am getting all worked up..
Genetically Modified Corn, is it safe? or is it toxic?
Lets burn it and see!
The cost of extracting a single BTU is 1.7 BTU's
So lets extract enough to feed all the cars in the USA 10 percent, no, lets make it 15%.. Yes, Yes, 15% is better, much better...
and feed the world with our surplus sugar cane. (Save the farmers)
We can convert our strawberry fields to corn fields forever!!!!
Okay, where were we? Oh Yeah, Lets drive responsibly and save the planet.
This response was made possible with funding from the real sugar cane, sugar extractors of America.
No actual animals were harmed during this testing.