The U.S. currently produces 9.2 billion gallons of ethanol a year and consumes 9.6 billion gallons. Biodiesel is a biofuel made from plant-or animal-based fats and can run in a regular diesel engine. In fact, Rudolf Dieselâs original prototype engine ran on peanut oil.
Symptoms of endometriosis may include: 1  Pain, especially excessive menstrual cramps that may be felt in the abdomen or lower back. 2  Pain during intercourse. 3  Abnormal or heavy menstrual flow. 4  Infertility. Painful urination during menstrual periods.  Painful bowel movements during menstrual periods.
Tests and diagnosis. To diagnose endometriosis and other conditions that can cause pelvic pain, your doctor will ask you to describe your symptoms, including the location of your pain and when it occurs. Tests to check for physical clues of endometriosis include: Pelvic exam.