Despite the elimination of a handful of alternative energy tax incentives in the new federal budget, Nebraska corn farmers will benefit from one that was extended.Tax breaks and rebates encouraging investment in solar and wind power in Nebraska were eliminated in the federal spending plan but the Trump administration extended an incentive enabling farmers to produce more corn for ethanol.Chris Bliley, senior vice president of regulatory affairs for the biofuel trade organization Growth Energy, said grain-based fuels like ethanol burn cleaner and will lead to healthier air.