Making Biodiesel

A new distribution center for biodiesel, ethanol and ultra-low sulfur diesel is hosting an open house from 10 a.m. to 6 p.m. Tuesday at the center located in Tamarack Business Park, 10314 Silverwood Drive in Dubuque.
The distribution center, or loading facility, will make it easier for fuel distributors to offer renewable fuels to their customers, […]

You don’t need a science Ph.D. to brew your own motor fuel, although Jeffrey Orrey happens to have one.
The 41-year-old is a geophysicist, a specialty common among oil-industry scientists. But petroleum isn’t a factor in his day job, where he develops satellite and aerial-imaging software.
As a hobby, Orrey turns used vegetable oil into biodiesel in […]