The person wondering what to grow in Washington State - here's a good link to oil output:
http://psychcentral.com/psypsych/Vegoil
# Soybean: 40 to 50 US gal/acre (40 to 50 m³/km²)
# Rapeseed: 110 to 145 US gal/acre (100 to 140 m³/km²)
# Mustard: 140 US gal/acre (130 m³/km²)
# Jatropha: 175 US...