Experts say some methods of tilling turning the soil to prepare for planting also release harmful carbon dioxide.

VOA: special.2010.01.05

Air Fuel Synthesis build on these methods by turning the methanol into something more like petrol, using processes well entrenched already in the petroleum industry.

BBC: Petrol from air: Will it make a difference?

But she added it was too complex to say GPs were turning against the therapy, suggesting collection methods may miss some homeopathy therapies.

BBC: Homeopathy prescriptions falling

It's crucial to be in this space as millions of people everyday are turning to social media to find information instead of using the more traditional methods.

WSJ: Debate: Does Social Media Deliver Results for Small Businesses?