Science and Math of Cars/Cycles/Bikes Buying/ Ownership What makes them work?
How Much Does a Car Cost? Do have enough to pay cash? If not then I need a loan. What will by monthly payments? –Depends on down payment and interest rate and length of loan.
Costs of ownership New Tires Gas Oil Repairs Insurance
Price of Gas Electric Cars Bio Fuels Gas Gets More Expensive!!!
Math of Tires
In the U.S. we throw away 240,000,000 tires per year!!!!
Science and Math of Car, Motorcycles, and Bikes