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Top 10 Startups developing energy-efficient motors, engines and generators in USA
Jul 20, 2025 | By Alexander Gillet | 18 |
1
Funding: $813M
Mainspring Energy is engineering advanced technology to revolutionize the way electricity is generated and delivered
Mainspring Energy is engineering advanced technology to revolutionize the way electricity is generated and delivered
2
Funding: $491.5M
Turntide‘s Smart Motor System optimizes motor energy use and helps eliminate mechanical issues.
Turntide‘s Smart Motor System optimizes motor energy use and helps eliminate mechanical issues.
3
Funding: $457.7M
Infinitum Electric is a motor technology company delivering lightweight and IoT-enabled electric motors.
Infinitum Electric is a motor technology company delivering lightweight and IoT-enabled electric motors.
4
Funding: $161.6M
Niron develops innovative rare earth free magnetic materials for high performance and low-cost permanent magnets.
Niron develops innovative rare earth free magnetic materials for high performance and low-cost permanent magnets.
5
Funding: $51.1M
ClearFlame decarbonizes heavy-duty engines while reducing operating costs, to protect the future from the challenge of diesel fuel.
ClearFlame decarbonizes heavy-duty engines while reducing operating costs, to protect the future from the challenge of diesel fuel.
6
Funding: $30M
MayMaan Research is on a mission to reinvent the internal combustion engine. Its proprietary system is based on a traditional piston engine that utilizes affordable, clean, and renewable fuel consisting of water and ethanol. The result is a highly efficient engine with clean combustion.
MayMaan Research is on a mission to reinvent the internal combustion engine. Its proprietary system is based on a traditional piston engine that utilizes affordable, clean, and renewable fuel consisting of water and ethanol. The result is a highly efficient engine with clean combustion.
7
Funding: $24.7M
H3X manufactures advanced electric propulsion systems for commercial aviation and other high performance applicaitons.
H3X manufactures advanced electric propulsion systems for commercial aviation and other high performance applicaitons.
8
Funding: $1.8M
REVOLUTION Turbine Technologies is developing a compact, emissions-free turbine that generates power using only waste gas pressure.
REVOLUTION Turbine Technologies is developing a compact, emissions-free turbine that generates power using only waste gas pressure.
9
Funding: $700K
Torev Motors develops next generation electric motors for the transportation space. Our first-of-its-kind motor design allows OEMs to significantly reduce their rare earth metal consumption without sacrificing efficiency or performance.
Torev Motors develops next generation electric motors for the transportation space. Our first-of-its-kind motor design allows OEMs to significantly reduce their rare earth metal consumption without sacrificing efficiency or performance.
10
Funding: $35K
FluxWorks is a developer and manufacturer of magnetic gears and magnetic gear integrated motors.
FluxWorks is a developer and manufacturer of magnetic gears and magnetic gear integrated motors.
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