With oil prices closer to the $ 100 per barrel mark, the oil sands start looking like a better bet. (climate.uu-uno.org)
Philip P. Quayle (American, d. 1931) Lot of Seven Stills of a Bullet Shot from a Gun Barrel Each marked «SPARK PHOTOGRAPH / BY / PHILIP P. QUAYLE / THE PETERS CARTRIDGE CO.» within the image More... (skinnerinc.com)
But the commercial aviation industry burns nearly 240 million gallons (945 million liters) of Jet A daily and if oil prices were to approach the $ 150 - per - barrel mark reached last year, the demand for Camelina oil might end up driving farmers to grow less wheat — a staple food crop. (scientificamerican.com)