What is PtX ? PtX is short for Power-to-X, which is a process where hydrogen is produced from water by electric power generated from renewable sources like windmiles, solar panels etc. Carbon dioxide is used to transform the hydrogen into either a gas or liquid to serve as fuel. 

X stands for methane or liquid fuels like diesel, gasoline, kerosene or solid synthetic fuel. 

The conversion of renewable energy into synthetic fuels will finally allow the use of green energy for maritime transport and aviation as well as certain processes in the chemical industry. 

Power-to-X can make a key contribution to international climate protection and reduce dependence on petroleum and natural gas worldwide. For Power-to-X production to be truly climate-neutral 

and socially and ecologically beneficial, ambitious and binding sustainability rules must apply from the start. 

This also ensures long-term investment security for Power-to-X systems. To ensure that CO2 emissions are reduced, Power-to-X has to be produced using energy from additional green power plants. 

To produce hydrogen, water is needed. 

For the energy source to remain sustainable, this hydrogen must be produced in countries, 

where water shortages are not an issue. Alternatively, sea water can be desalinated. 

To produce Power-to-X from hydrogen, CO2 is needed. To avoid additional greenhouse gas emissions this CO2 must be taken direct from the atmosphere or from processes using sustainable biomass. This is the only way to achieve a CO2 cycle with the surrounding air. 

Renewable energies such as solar and wind-energy facilities must be encountered in the overall footprint from both ecological and social perspectives. 

Power-to-X can help developing and emerging countries make them independent of crude oil and natural gas imports, if this creates a local added value can they profit sustainably as Power-to-X producers.

What is “Power-to-X”? Technology explained in simple terms in below video from Bundesumweltministerium, Germany;