Indispensable Materials Series Part 8: Palm Kernel Shells, a High-potential Renewable Energy Resource
A few years ago, people would not have believed if you had told them that palm kernel shells (PKS) would one day become a promising green energy resource and trade commodity. Indeed, merchants have been trading in palm oil since at least 3000 BCE, with most regarding PKS as a completely unimportant by-product. But as time …