Less weight, space, vibration, noise, fuel consumption… More power. Building on over 15 years of R&D, LiquidPiston provides a power solution that can scale to address the needs of the $400B internal combustion engine market and is a key enabler for emerging mobility technologies including electric cars, urban aircraft, and drones. The company is focusing on military and aerospace markets, whose propulsion and power generation segments represent large application opportunities for LiquidPiston. The company also plans to enter industrial and commercial, marine, UAV, urban mobility, and automotive markets. Bloomfield, Connecticut

MTT is made up of some of the world's most experienced professionals in the turbine engine industry. MTT has performed custom turbine installations for many types of marine craft. MTT has also designed and built the first turbine outboard motor of its kind. MTT has manufactured turbine-powered airboats and workboats for many years. Our large Airboats and Workboats are designed to house heavy equipment such as cranes, drills, heavy fire fighting equipment, workover machinery, telephone poles and cradles for pipeline material. Small Airboats can be used for lighter duty work such as for emergency response, rescue, and lighter fire fighting. Based in Franklin, Louisiana

We have designed the first dual-motor system for kayaks, canoes and paddle-boards. What started as a drawing on paper has become one of the top sellers for kayak motors. We love kayaking and we love paddling. We've built a PacMotor for those looking for more confidence and maneuverability on the water. Fits 95% of kayaks right out of the box. It's designed to seamlessly integrate with all major kayak brands, including large kayaks, canoes, SUP boards, and inflatable kayaks. Enjoy the convenience and versatility of a motor that adapts to your watercraft with ease. Fort Myers, Florida

Gas Turbine & Nuclear. Rolls-Royce is a Power Systems company: for more than a hundred years we have been providing power for aircraft, ships and land applications. Our vision is to provide "better power for a changing world". We are best known for our aero engines, that power many of the world’s most advanced passenger jets, like the new Airbus A350 and the Boeing 787 Dreamliner. But, there is much more to the company than that. We also produce low–emission power systems for ships, some of which we design ourselves. For the marine industry we offer in-house Bergen diesel engines & gensets, Gas engines & gensets, and Marine gas turbines. London, England

Turbine marine Inc. provides turbine-powered gen-sets and engine packages for use in a wide range of applications and industries. Since 1998 Turbine Marine, Inc. is the recognized leader in the Marine Industry for turbine-powered performance vessels. We were the first to successfully develop turbine power for offshore race and pleasure boats. Our experience of powering ever lighter and faster offshore race boats is crucial to the understanding of Turbine Marine Inc.'s ability to realize its innovative designs and concepts. Pompano Beach, Florida