Coal hydrogenation

Bosch improved the Haber process and made it more industrially scalable. Then Bosch and Bergius developed an analogous process for hydrogenating coal and heavy oil to produce gasoline.
 Carl Bosch and Friedrich Bergius Germany 1912 Coal hydrogenation

Bosch improved the Haber process and made it more industrially scalable. Then Bosch and Bergius developed an analogous process for hydrogenating coal and heavy oil to produce gasoline.