<h1>Nitin Gadkari addresses rural migration to cities, promotes flex engines, ethanol, and hydrogen fuels to aid farmers.</h1> Union Minister Nitin Gadkari highlighted the migration of people from rural areas to metro cities like Delhi, Mumbai, and Bangalore due to poverty, unemployment, and inadequate prices for agricultural produce. He noted that this migration contributes to urban challenges. Gadkari mentioned initiatives such as the introduction of flex engine vehicles and ethanol pumps to boost farmers' income, transforming them from 'anna daata' to 'urja daata.' He also emphasized the importance of hydrogen as a future fuel and expressed aspirations for India to become a hydrogen fuel exporter, stressing the significance of sustainable aviation fuel.