Because it costs lots of money?
One with good gas mileage.
Yes it should, its very important.
Yes, on average a Toyota hybrid will save on gas. Overall gas savings should be measured in comparison with a similarly sized car that is not a hybrid.
SAVE WHAT MOTHER NATURE GAVE!!!!!
only way to save gas is to not drive
you should use a gas fire place insert when you want to save a little money, it is a efficient way to save money in the winter with no more outside air coming in through the fire place. plus your the one who is in control of the thermosat.
Hybrid vehicles run on gas and electricity working together. This will save on gas, making your vehicle more environmentally sound. In theory you would save about half on gas.
You can save money on gas by riding a bus to your work place. You can convert to ethonal or another fuel source. Not only will that save you money, it will save the enviorment.
Gas Range save you more on your energy bills
You can save gas driving a steep hill by driving the car at a lower RPM.
no.
It will shorten cooking time, which in turn, can result in a modest saving of cooking gas; yes.