Most farmers are still using fossil-fuel driven
engine pumps to irrigate their farms.
Using engine pumps and fossil fuels means...
You pay for fuel every time you need to run your pump. In a few months, you have paid more money for fuel than for buying your pump.
They need periodic maintenance to be done by technicians, who are often hard to come by in agricultural / remote regions.
Contributing to Climate Change
As they constantly emit smoke, they contribute to climate change, which is the culprit to the new breed of typhoons we experience in modern day.