TechCrunch
plus-bold
TechCrunch
Open Navigation
TechCrunch
BioPro
BioPro Takes DIY Approach To Biofuels
May 21, 2011
<img src='http://tctechcrunch.files.wordpress.com/2011/05/biodiesel.jpg'> Passionate biodiesel hobbyists have long relied on their local diner's supply of used cooking oil to power their cars, but a u