Use of ethanol in vehicles reduces pollution by nanoparticles, a study shows. Levels of ultrafine particulate matter in São Paulo City, Brazil, increased by up to 30 percent at times when ethanol prices rose and consumption fell.
Use of ethanol in vehicles reduces pollution by nanoparticles, a study shows. Levels of ultrafine particulate matter in São Paulo City, Brazil, increased by up to 30 percent at times when ethanol prices rose and consumption fell.