In small doses and used properly, starting fluid can be effective in hard-starting gasoline engines. But it can be bad for two-stroke or diesel engines.
Transmission additives supposedly fix erratic shifting, leaks and other problems. However, testing has shown they can make transmission performance worse.
Flex fuel vehicles (FFVs) can burn traditional gasoline or fuels derived from plants that emit fewer emissions and greenhouse gasses. So, what exactly is flex fuel?
