ROUSH CleanTech’s Generation 5 Godzilla Engine is the next advancement in powertrain technology, delivering more power in a compact package.

The Ford 7.3L Roush Godzilla Engine engine is produced at high volumes — more than 600 engines per day. That’s six times the competition!

Available in Ford commercial vehicles
(F-450/F-550; F-650/F-750; F-53/F-59; E-350 cutaway; and E-450 DRW cutaway), Micro Bird G5 Type A buses and Blue Bird Vision Type C buses. *Also available with gasoline fuel system in school buses.

The innovative propane autogas technology integrates Ford's new 7.3L V8 engine in Class 3-7 chassis. The Gen 5 engine is:

Compact and more powerful
Easier to maintain with more room to perform service work
Higher in peak horsepower.
Equipped with technical innovations including stronger and lighter forged fuel rails, refinements to belt and accessory drive and streamlined fuel system routing and integration.
70% cleaner than federal emissions standards.
Warrantied with unlimited mile powertrain.
Backed by 45 years of Roush engineering and over 1 billion miles of alternative fuel experience.

ROUSH GODZILLA ENGINE HAS REDUCED EMISSIONS

ROUSH CleanTech vehicles are 70% lower than California Air Resources
Board and Environmental Protection Agency federal emission standards.

Chassis	7.3L Version	GVWR	0.05 NOx
E-350	Premium	10,050	N/A
E-350	Economy	10,050	N/A
Economy	E-450	14,000	N/A
Premium	E-450	14,200	Yes
E-450	Premium	14,500	Yes

	Propane	Gasoline	Diesel	Electric
Chemical Structure	C3H8 (majority) and C4H10 (minority)	C4 to C12 and Ethanol ≤ to 10%	C8 to C25	N/A
Fuel Material (feedstocks)	Fats and oils from sources such as soybeans, waste cooking oil, animal fats, and rapeseed	Crude Oil	Crude Oil	Natural gas, coal, nuclear, wind, hydro, solar, and small percentages of geothermal and biomass
Gasoline or Diesel Gallon Equivalent (GGE or DGE)	1 gal = 0.74 GGE 1 gal = 0.66 DGE	1 gal = 1.00 GGE 1 gal = 0.88 DGE	1 gal = 1.12 GGE 1 gal = 1.00 DGE	1 kWh = 0.030 GGE 1 kWh = 0.027 DGE
Energy Comparison (GGE = Gasoline Gallon Equivalent)	gallon of propane has 73% of the energy in 1 GGE due to the lower energy density of propane.	1 gallon of gasoline has 97%–100% of the energy in 1 GGE. Standard fuel is 90% gasoline, 10% ethanol.	1 gallon of diesel has 113% of the energy in 1 GGE due to the higher energy density of diesel fuel.	A typical battery that is the same size as a gallon of gas (0.134 ft3), when used for transportation, can store 15.3% of the energy in 1 GGE. [6][7]
Energy Content (lower heating value)	84,250 Btu/gal (c)	112,114– 116,090 Btu/gal (c)	128,488 Btu/gal (c)	3,414 Btu/kWh
Energy Content (higher heating value)	91,420 Btu/gal (c)	120,388– 124,340 Btu/gal (c)	138,490 Btu/gal (c)	3,414 Btu/kWh
Physical State	Pressurized liquid (heavier than air as a gas)	Liquid	Liquid	Electricity
Cetane Number	N/A	N/A	40–55 (d)	N/A
Pump Octane Number	105 (g)	84–93 (f)	N/A	N/A
Flash Point	-100° to -150°F (j)	45°F (j)	165°F (j)	N/A
Autoignition Temperature	850° to 950°F (j)	495°F (j)	~600°F (j)	N/A
Maintenance Issues			Lubricity is improved over that of conventional low sulfur diesel fuel. For more maintenance information see, the Biodiesel Handling and Use Guidelines—Fifth Edition. (d)
Energy Security Impacts	Approximately half of U.S. LPG is derived from oil, but no oil is imported specifically for LPG production.	Manufactured using oil. Transportation accounts for approximately 30% of total U.S. energy needs and 70% of petroleum consumption. (l)	Manufactured using oil. Transportation accounts for approximately 30% of total U.S. energy needs and 70% of petroleum consumption. (l)	Electricity is produced domestically from a wide range of sources, including through coal-fired power plants and renewable sources, making it a versatile fuel.

Fuel Type	School Buses
Propane	$108,000
Electric	$300,000
Diesel	$100,000
Diesel HEV	$160,000
CNG	$130,000
Gasoline

Fuel Type	Fleet Size	Total Hours Mowed/Year/Mower	Propane Mower Purchase Amount/Mower	Avg. Price/Gallon	Fuel Cost Per Hour of Mowing	Fuel Cost per 1 year	Fuel Cost per 3 year	Fuel Cost per 5 year
Propane	10	1,000	$10,500	$1.67	$22.71	$22,712	$68,136	$113,560
Diesel	10	1,000	$10,500	$4.26	$38.34	$38,340	$115,020	$191,700
Gasoline	10	1,000	$10,500	$3.61	$46.93	$46,930	$140,790	$234,650

Fuel Type	Light Duty	School Buses	Paratransit	Single Unit Short-Haul Truck	Single Unit Long-Haul Truck
Propane	$50,000	$108,000	$48,000	$78,000	$89,000
Electric	$93,000	$300,000	$93,000	$150,000	$185,000
Diesel	$53,000	$100,000	$53,000	$70,000	$75,000
Gasoline	$42,000	N/A	$42,000	$68,000	$75,000

ROUSH CleanTech’s Generation 5 Godzilla Engine is the next advancement in powertrain technology, delivering more power in a compact package.

The innovative propane autogas technology integrates Ford's new 7.3L V8 engine in Class 3-7 chassis. The Gen 5 engine is:

ROUSH GODZILLA ENGINE HAS REDUCED EMISSIONS

ROUSH CLEANTECH’S GEN 5 WITH FORD 7.3L 2V GODZILLA ENGINE

Micro

Micro Bird G5 School Bus

Technical Specs

Fuel Tank Options

Average Purchase Price

Average Maintenance Cost

Average ROI Time

Fuel and Maintenance savings

Annual Avg. GHG Emissions

Type C

Blue Bird Type C School Bus

Fuel Tank Options

Average Purchase Price

Average Maintenance Cost

Average ROI Time

Fuel and Maintenance savings

Annual Avg. GHG Emissions

Fuel Properties Comparison

Fuel Properties Comparison

Bus Fuel Cost Comparison

Purchase Cost Comparisons

Mower Bus Fuel Cost Comparison

Cost Comparisons

General Price Cost Comparison

Purchase Cost Comparisons

Municipality

Municipality Vehicles

Average Cost Per Mile

Annual GHG Emissions

EPA Certified Engines

Class 1 Vehicles

Class 2 Vehicles

Class 3 Vehicles

Class 4 Vehicles

Class 5 Vehicles

Class 6 Vehicles

Class 7 Vehicles

Fleet usage of propane in sectors optimal for propane Fuel (Autogas) include:

Delivery Vehicles

Delivery Vehicles

Average Cost Per Mile

Annual GHG Emissions

EPA Certified Engines

Class 2 Vehicles

Class 4 Vehicles

Class 5 Vehicles

Class 6 Vehicles

Class 7 Vehicles

Fleet usage of propane in sectors optimal for propane Fuel (Autogas) include:

Paratransit

Paratransit Vehicles

Average Cost Per Mile

Annual GHG Emissions

EPA Certified Engines

Class 2 Vehicles

Class 5 Vehicles

Class 6 Vehicles

Class 7 Vehicles

Fleet usage of propane in sectors optimal for propane Fuel (Autogas) include:

Food and Bev

Food/Beverage Vehicles

Average Cost Per Mile

Average Purchase Price

Average ROI Time

Annual GHG Emissions

EPA Certified Engines

Class 1 Vehicles

Class 2 Vehicles

Class 3 Vehicles

Class 4 Vehicles

Class 5 Vehicles

Class 6 Vehicles

Class 7 Vehicles

Fleet usage of propane in sectors optimal for propane Fuel (Autogas) include:

Service/Utility

Service/Utility Vehicles

Fleet usage of propane in sectors optimal for
propane Fuel (Autogas) include:

Fleet usage of propane in sectors optimal for
propane Fuel (Autogas) include:

Fleet usage of propane in sectors optimal for
propane Fuel (Autogas) include:

Average
ROI Time

Fleet usage of propane in sectors optimal for
propane Fuel (Autogas) include:

Average
ROI Time

Fleet usage of propane in sectors optimal for
propane Fuel (Autogas) include:

Average
ROI Time

Fleet usage of propane in sectors optimal for
propane Fuel (Autogas) include: