E-Diesel
They also call it blue crude. A company named Sunfire can generate a synthetic crude using renewable sources which can be used in existing diesel engines.
Wikipedia: "E-diesel is the name of synthetic diesel created by Audi to be used in automobiles. Currently, an e-diesel variant is created by Audi research facility in partnership with a company named Sunfire. The fuel is created from carbon dioxide, water, and electricity with a process powered by renewable energy sources to create a liquid energy carrier called blue crude (in contrast to regular crude oil) which is then refined to generate e-diesel. E-diesel is considered to be a carbon-neutral fuel as it does not extract new carbon and the energy sources to drive the process are from carbon-neutral sources"
There is some buzz around Sunfire. They pulled in new money for investment, it was in the news.
Investing in (the right) clean tech can be quite profitable.
A portfolio consisting of tickers I could pull based on the list
above, BLDP, ITM, PLUG, HYG, FCEL, SAND, HYSR would have
generated over 30% return for the year 2018.