Erlbaum - TRB Session 6811 Energy Price and Travel Behavior.
1 Biofuels as an alternative to traditional transportation fuels: Chemist's Perspective Ole John Nielsen and Vibeke Friis Andersen Department of Chemistry,
Emissions Air is made up of : s 21%O2 s 78%N s 1% other gasses (mostly argon)
19 th Century Progress Inventions and Developments.
