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.
In severe cases, constipation can last for weeks. Other symptoms of bowel endometriosis include diarrhea; the antithesis of constipation. With such disparate symptoms as these, this is why bowel endometriosis continues to be one of the most misdiagnosed forms of endometriosis.