Biomass has been in use since people first began burning wood to cook food and keep warm. Wood is still...

Lubricant is a substance which is used to control (more often to reduce) friction and wear of the surfaces in...

Almost every lubricant used in plants today started off as just a base oil. The American Petroleum Institute (API) has...

Fuel is a combustible substance that mostly consists of carbon which, on proper burning in the presence of air, releases...

Petroleum refineries convert crude oil and other liquids into many petroleum products that people use every day. Most refineries focus...