Biodiesel can be used as a fuel for vehicles in its pure form, but it is usually used as a diesel additive to reduce levels of particulates, carbon monoxide, and hydrocarbons from diesel-powered vehicles.ellulosic biomass, derived from non-food sources, such as trees and grasses, is also being developed as a feedstock for ethanol production. Ethanol can be used as a fuel for vehicles in its pure form, but it is usually used as a gasoline additive to increase octane and improve vehicle emissions.
1 Even if your bleeding was first discovered through urine testing (urinalysis), you're likely to have another test to see if your urine still contains red blood cells. 2  Urinalysis can also check for urinary tract infection or the presence of minerals that cause kidney stones.
According to the Kidney Cancer Association, hematuria is the most common sign of kidney cancer. If you have blood in your urine, you may see pink, brownish, or even a red discoloration. Often even a small amount of blood can cause a color change. But, sometimes there is such a miniscule amount of blood that only a lab can detect blood during a urinalysis. Other causes of blood in the urine are bladder infection, kidney stone, cysts, or inflammation. If you see blood in your urine, it may be time to see your doctor.