As Austria revises its Green Electricity Act the clean power industries reject the draft on the table as inadequate. To reach its climate protection targets the country will have to massively buy in CO2 certificates.

It used to be made by Native Americans, but now "terra preta" [black earth] is going industrial under the name "biochar". With modern technology, a number of research institutions are working on ways to compress organic waste products into a coal-like substance.

Catch crops planted in the summer months can complement energy grains and the combination with them be an alternative to energy maize. But they