To turn human waste into a usable fuel, Firefly uses a method called hydrothermal liquefaction, which is good for wet waste. By combining high pressure and heat, it converts the sewage into ...
Vegetable oil prices declined 5.6% last month, as global palm and rapeseed oil prices dropped while soy and sunflower oil ...
Excessive oil consumption is driving India’s lifestyle diseases. Experts warn of hidden dangers in popular cooking oils, ...