The best replacement for gas turbine is steam turbine.

The best alternatives to gas turbine are rated as following:
★★★★★  steam turbine
★★★  gas engine
★★  jet engine
★★  diesel generator
★  piston engine
★  diesel engine
★  electric motor
  engine
  ic engine
  gas turbine
  combustion turbine
  reciprocating engine
  internal combustion engine
  internal combustion

Your alternative for gas turbine is not listed? Suggest!
Speaking about gas turbine, one probably shouldn't forget about steam turbine.

Other search terms related to gas turbine and their ratings are:
★★★★★ steam turbine
★★★★ waste heat recovery unit
You have in mind a companion for gas turbine and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of gas turbine in all years. Click on graph for more.
gas turbine
steam turbine
gas engine