We have worked with schools across the United States, and believe us, you are not the only person asking this question!
Bottled Water: FAQ on Safety and Purity
Questions and Answers on Bottled Water and How It Compares to Tap Water
Engines waste gasoline! Up to 80% of the high-priced gas that you pump doesn't get you anywhere because it goes UNBURNED to the catalytic converter. That means you are getting 0 MPG (zero, zilch, nada) from most of the over-priced gasoline you pump into your tank.
open source refers to a program in which the source code is available to the general public for use and/or modification from its original design free of charge, i.e., open.