A German Startup Makes Carbon Neutral Diesel from Renewables, Water & CO2

The news from German startup Sunfire is intriguing – just read below. According to the company, it has built a plant in cooperation with Audi that produces high-grade diesel using only renewable electricity, CO2, and water. Using electrolysis, Sunfire first splits water into hydrogen and oxygen. Then it takes CO2 and combines it with hydrogen

The news from German startup Sunfire is intriguing – just read below.

According to the company, it has built a plant in
cooperation with Audi that produces high-grade diesel using only renewable
electricity, CO2, and water. Using electrolysis, Sunfire first
splits water into hydrogen and oxygen. Then it takes CO2 and
combines it with hydrogen to create a hydrocarbon (the fuel). Each step is
powered by renewables, such as solar or wind.

According to the team, the fuel carries no sulfur
emissions and burns more efficiently than conventional diesel. Plus, you can
use it both as a blend with existing fuel, or on its own, making it a plausible
carbon neutral drop-in replacement for fossil fuels.

Next of course, Sunfire will have to build a much
bigger plant, to drive down costs. According to reports, currently each liter
costs between $1.15 and $1.70 to produce.

Given that it’s carbon neutral and could fuel a huge
fleet of existing diesel vehicles already on the road, I’m making some
allowances here and giving it a conditional thumbs up.

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