As the earth warms, global warming and sustainability has become a big news maker. People often ask me what they can do to help fight global warming and greenhouse gas (GHG) emissions. Some have gone so far to get a hybrid vehicle, others have taken to walking more, riding the bus while others are puzzled what they can do with little money that would make a difference. What I am going to suggest is how to get the biggest amount of good for the least amount of money. Not everyone can afford to buy a new car. The easiest way is to do very small steps. When a tire is not inflated properly, it requires more energy to make the car move and maintain speeds. An informal study found the majority of the vehicles in the US are only inflated to 80% of capacity. Property inflated tires can increase fuel mileage by 3.3%, an under inflated tires can lower fuel mileage by .4% per pound. Putting that an average driver who drives 12,000 miles per year, that would be an ex ... read more