Here are ten products / services that Complete Coach Works (CCW) is known to offer, with emphasis on what a business or fleet operator would care about (especially in the context of natural gas or alternative-fuel retrofits). Some are general transit / remanufacturing offerings, but relevant to retrofit / repower strategies:

1. Bus / coach remanufacturing / overhaul: CCW will bring an existing transit bus or coach to “like-new” condition, rebuilding structure, drivetrain, electrical, HVAC, interior, and exterior to modern standards. 
2. Repowering / engine replacement: Replacing an aging engine with a newer, emissions-compliant power plant (e.g. clean diesel, or natural gas) to extend life and meet regulatory mandates. 
3. CNG conversion / compressed natural gas retrofits: Certified technicians install CNG fuel systems (tanks, fuel lines, injectors) into suitable vehicles as part of alternative fuel conversions. 
4. LNG conversion / liquefied natural gas system integration: CCW offers retrofits for LNG (liquefied natural gas) for heavy-duty vehicle applications as a lower-emission alternative fuel option. 
5. Propane / LPG conversion services: For lighter and medium duty applications, CCW provides retrofits to run on liquefied petroleum gas (LPG), also known as propane. 
6. Hybrid system integration / hybrid drivetrains: CCW can integrate hybrid electric propulsion systems into existing buses or heavy-duty vehicles in coordination with drivetrain suppliers. 
7. Zero-Emission Propulsion System (ZEPS) remanufactured electric buses: CCW remanufactures conventional buses by replacing the internal combustion drivetrain entirely with an all-electric system (motor, battery, controls). 
8. Midlife overhaul / major systems refurbishment: For transit agencies, CCW undertakes midlife overhauls including refurbishment of doors, suspension, HVAC, electrical, propulsion, bodywork, etc. 
9. Collision, fire, and structural repair / bodywork / painting: CCW handles body repairs from collisions or fire damage, structural reinforcement, surface finishing and repainting to restore appearance and integrity. 
10. Training, parts supply, and support services: CCW provides parts inventory, training to fleet maintenance teams, wiring upgrades, multiplexing / control system modernization, and supply chain support to sustain retrofits. 

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Company Resources

New Releases - Complete Coach Works Delivers LNG Buses to Tempe Transit
Complete Coach Works is proud to announce the completion and delivery of all 37 LNG Tempe buses. This successful delivery is a result of Tempes forward thinking approach to give their passengers newly refurbished bus interiors for an improved riding ...
 

Green Alternative Systems was established in 2006 to help satisfy a high demand for conversion capabilities in the alternative fuel market.  Green Alternative Systems is a division of  Model 1.

1. Compressed Natural Gas (CNG) Conversion Services - Green Alternative Systems provides certified CNG conversion services for fleet vehicles, including the Ford E-450 6.8L. Their process involves a complete evaluation, removal of the original fuel system, and installation of the new CNG system. This helps fleet managers achieve lower emissions and significant fuel savings.
2. Propane Fuel Conversions  - In addition to CNG, Green Alternative Systems offers propane conversion for fleets. Propane is more cost-effective and has widespread refueling infrastructure, making it an attractive alternative fuel option for businesses looking to reduce both fuel expenses and emissions.
3. Ford Certified Installer  - Green Alternative Systems is a Ford Quality Vehicle Modifier, ensuring compliance with Ford’s strict standards for natural gas retrofits. This certification provides customers with confidence in the safety and durability of their vehicle conversions, backed by a 4-year/100,000-mile warranty.
4. Fleet Conversion Support - Specializing in fleet conversions, Green Alternative Systems offers services designed for long-term efficiency. Whether converting to CNG or propane, their experienced technicians ensure that all systems are compliant with EPA and California Air Resource Board (CARB) regulations, essential for businesses looking to meet stringent environmental standards.
5. Complete Lifecycle Services  - Beyond fuel conversion, Green Alternative Systems provides full lifecycle services including maintenance, diagnostic testing, and performance optimization to ensure fleet vehicles remain efficient, safe, and eco-friendly throughout their operational life.

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Company Resources

Presentations - Green Alternative Systems CNGe450 brochure
A brochure on the Green Alternative Systems CNGe450 fuel system.
 

Omnitek Engineering Corp. develops and sells new natural gas engines, as well as a proprietary technology to convert diesel engines to natural gas. This system has established Omnitek as a leader in the industry.

1. Diesel-to-Natural Gas Conversion Kits - Omnitek offers kits to convert diesel engines to run on compressed natural gas (CNG), liquefied natural gas (LNG), or renewable natural gas (RNG). These kits are designed for both turbocharged and non-turbocharged engines, enabling fleet operators to extend engine life and reduce emissions during routine overhauls.
2. Natural Gas Engines - Omnitek provides complete natural gas engines for new installations or replacement of outdated diesel engines. These engines are certified to meet stringent emission standards, including Euro VI compliance, and can be used for a range of applications including trucks, buses, and industrial equipment.
3. CNG Engine Management Systems - The company’s CIMS engine management system manages fuel metering and ignition timing for diesel-to-natural gas conversions. It supports engines with 4 to 16 cylinders, optimizing fuel efficiency and reducing emissions through real-time adjustments.
4. High-Pressure Natural Gas Filters  - Omnitek also supplies high-pressure coalescent filters for natural gas engines. These filters are essential for ensuring clean fuel delivery and maintaining engine performance, especially in high-pressure applications like CNG trucks and buses.
5. Natural Gas Generators  -In addition to vehicle solutions, Omnitek offers natural gas-powered generators for stationary applications. These generators provide a lower-emission alternative to diesel power generation, suitable for industrial and agricultural use.

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Company Resources

Brochures - Product Line
A World Leader in Diesel‐to‐Natural Gas Engine Conversions