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

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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