CGRN vs CMI

Capstone Green Energy Corporation

Capstone Green Energy Corporation develops, manufactures, markets, and services microturbine technology solutions for use in stationary distributed power generation and distribution networks applications worldwide. It offers microturbine units, components, and accessories for various applications, including cogeneration comprising combined heat and power (CHP) and integrated CHP, as well as combined cooling, heat, and power; and renewable energy, natural resources, and critical power supply. The company's microturbines are also used as battery charging generators for use in hybrid electric vehicle applications. It also provides various accessories, including rotary gas compressors with digital controls; integrated heat recovery modules for CHP applications; dual mode controllers that allow automatic transition between grid connect and stand-alone modes; batteries with digital controls for stand-alone or dual-mode operations; batteries with digital controls; power servers for multipacked installations; protocol converters for Internet access; packaging options; and miscellaneous parts, such as frames, exhaust ducting, backflow dampers, and installation hardware. In addition, the company offers rental solutions and offers aftermarket spare parts. It markets and sells its products primarily through distributors and original equipment manufacturers. The company was formerly known as Capstone Turbine Corporation and changed its name to Capstone Green Energy Corporation in April 2021. Capstone Green Energy Corporation was founded in 1988 and is headquartered in Van Nuys, California.

Cummins Inc.

Cummins Inc. designs, manufactures, distributes, and services diesel and natural gas engines, electric and hybrid powertrains, and related components worldwide. It operates through five segments: Engine, Distribution, Components, Power Systems, and New Power. The company offers diesel and natural gas powered engines under the Cummins and other customer brands for the heavy and medium-duty truck, bus, recreational vehicle, light-duty automotive, construction, mining, marine, rail, oil and gas, defense, and agricultural markets; and offers new parts and services, as well as remanufactured parts and engines. It also provides power generation systems, high-horsepower engines, heavy and medium duty engines, application engineering services, custom-designed assemblies, retail and wholesale aftermarket parts, and in-shop and field-based repair services. In addition, the company offers emission solutions; turbochargers; air and fuel filters, fuel water separators, lube and hydraulic filters, coolants, fuel additives, and other filtration systems; and electronic control modules, sensors, and supporting software, as well as new, replacement, and remanufactured fuel systems. Further, it provides automated transmissions; standby and prime power generators, controls, paralleling systems, and transfer switches, as well as A/C generator/alternator products under the Stamford and AVK brands; and electrified power systems with components and subsystems, including battery, fuel cell, and hydrogen production technologies. Additionally, it offers filtration, aftertreatment, controls systems, air handling systems, automated transmissions, and electric power generation systems. The company sells its products to original equipment manufacturers, distributors, dealers, and other customers. The company was formerly known as Cummins Engine Company and changed its name to Cummins Inc. in 2001. Cummins Inc. was founded in 1919 and is headquartered in Columbus, Indiana.