Key Takeaways PLUG secured a $1.66B DOE loan to build six green hydrogen production facilities in the US.FCEL's$1.26B backlog and new 7.4 MW project in Hartford signal strong demand for its fuel cell tech.PLUG's Project Quantum Leap targets $200M+ in annualized savings to slow its high cash burn rate.Plug Power Inc. (PLUG) and FuelCell Energy, Inc. (FCEL) are both prominent names operating in the fuel cell technology market. As rivals, both companies are engaged in manufacturing innovative fuel cell produc ...