Possible Clues:

• Provider of fuel, as idle talk goes
• General initially enquires about dispute over fuel plant
• Government enquires about revolting squabble with energy producer
• Droopy sort comes up and does a job for powerful source perhaps
• Plant droop reversed with grafts
• Are they the ones sending the utility bill? They better be joking!
• Oxygen does the job at Comedy Central?
• Plant manufacturing fuel
• On evenly cut grass, cultivates plant
• Plant generating source of domestic energy