Treadle pump (Bangladesh, India, Nepal)
Over 1 million pumps have been sold to small and marginal farmers. On half-an-acre, they can grow more vegetables or other crops and make an average additional income of 100 $ per year. 20 % of the farmers make 500-600 $ net income per year. Around 10‘000 micro-enterprises supply, sell and install the pumps in the „poverty pocket“ of the world.