Under lmmelt’s direction, GE had also been gearing up to double R&D investment in clean technologies, including renewable-energy, water-purification processes, and fuel-efficient products, from $700 million in 2005 to $1.5 billion in 2010, and $2.3 billion in 2011. In turn, GE expects significant revenue growth. Its Ecomagination products earned $6 billion in 2004, $12 billion in 2006, $18 billion in 2009, and $21 billion in 2001.