1. Science and Math of Cars/Cycles/Bikes Buying/ Ownership What makes them work?

2. 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. http://www.onlineloancalculator.org/

3. Costs of ownership New Tires Gas Oil Repairs Insurance

4. Price of Gas Electric Cars Bio Fuels Gas Gets More Expensive!!!

7. Math of Tires http://www.metric-conversions.org/conversion-calculators.htm

11. In the U.S. we throw away 240,000,000 tires per year!!!!

12. Science and Math of Car, Motorcycles, and Bikes