As the state with the largest economy in the U.S., and the world's eighth largest, California relies on clean diesel as the backbone for many of the state's core industries.² Clean diesel technology powers tractors and water pumps in the fields, construction equipment on roads and building sites, and even power generators on movie sets and at hospitals.

Colorado’s economic output was valued at $252 billion, ranking it 19th in the U.S., just behind Arizona.² Like Florida, California and New York, Colorado depends heavily on clean diesel technology for the transportation of tourists and goods. Visitors are drawn to the state’s year-round skiing helping to make tourism a major economic generator for the state, with 27 million domestic visitors spending $8.6 billion.

Connecticut’s economy is ranked 23rd in the U.S with a GDP of $227 billion.² The state is dominated by service industries such as financing, insurance and real estate, however, the manufacturing sector is significant, accounting for 88 percent of Connecticut’s exports and $22 billion for the state.

As the world's top travel destination and a leading agricultural state, Florida's economy could not survive without the contribution of diesel-powered transportation and equipment. More than 82.6 million people visit Florida, accounting for a $60.9 billion contribution to the state's economy and ranking the fourth largest in the United States with a GDP of $737 billion.^{2, 3} Florida is a leading global trade hub.

Ranking as the 11th largest economy in the U.S, with a GDP of 395 billion, Georgia counts on the power and performance of clean diesel technology.² Georgia's transportation network is critical to the state economy for both trade and tourism. Georgia exports total about $29.7 billion.

Clean diesel technology is fundamental to Illinois’ economy as a national transportation hub and a leading producer and user of diesel powered equipment. Illinois' gross state product was an estimated $508.5 billion in 2007, accounting for 4.4 percent of the U.S. total gross domestic product. ² Illinois is a leading manufacturing state with machinery (construction equipment, farm machinery and machine tools) ranking first in this sector.

The Hoosier state has the 16th largest economy in the U.S. with a GDP of $262 billion.² Traditional industries such as agriculture and coal mining, which rely on diesel power, remain important, however manufacturing, particularly of auto and transportation goods, has led the state's economy.³ Recession has taken a toll on exporting throughout the nation, however, Indiana is rebounding successfully exporting a record $14.

Maine is the eastern most state in the country and depends on a mix of industries and a well developed transportation infrastructure to sustain its $48 billion GDP. ² The state has roughly 3,500 miles of picturesque coastland, which sustains one of the top aquaculture and fishing industries in the country, producing rich harvests of commodities such as lobsters, clams and salmon.

Maryland’s location along the Mid-Atlantic, its proximity to Washington, DC and its rich natural resources all contribute to the state’s GDP of $268 billion, making it the 15th largest in the country. ² The state has a strong transportation network led by one of the busiest port systems on the east coast. Maryland exports reached a value of $11.4 billion in 2008, up 27 percent the previous year and more than double the national growth rate.

Massachusetts has the 13th largest economy in the country with a GDP of $351 billion. ² As the most educated populous in the nation, the Bay State’s economy is led by industries such as higher education and biotechnology and complemented with more traditional sectors such as agriculture, an industry that includes the third largest commercial fishing production in the country.

Michigan’s economy, led by the state’s large manufacturing, tourism and agricultural industries, is the 12th largest in the nation with a GDP of over $375 billion. ^{2 3} Approximately one-third of the state’s total manufacturing output is comprised of motor vehicles and parts, while the agricultural industry produces more than 200 commercial commodities.

Industries such as mining, forestry and agriculture which rely on diesel powered vehicles and equipment are among the most vital to Minnesota's economy, the 17th largest in the country with a GDP of $260 billion.² Bordered by four states, Lake Superior and Canada, Minnesota is located in a prime Midwest location conducive to trade. Its location is one of the main reasons why the state's total exports including manufacturing totaled an estimated $17.2 billion.

Montana is host to a number of rich natural resources, such as the largest coal reserve in the country (valued at $1.5 trillion), two of the nation’s top 100 oil fields, and 22.5 million acres of forests. ^{2 3 4} The resulting commodities are carried via an expansive transportation network to help drive the state GDP of $34 billion, including exports totaling over $2 billion in 2008, up 17.

The economy of the Garden State has variety that few can match. Located in the center of the Northeast Corridor, a tremendous transportation network provides transit for both cargo and people. New Jersey has the eigth largest economy in the country, with a GDP of $465 billion and exports valued at $27.4 billion in 2007.

From back-up generators that keep hospitals and Wall Street running to the diesel hybrid buses running in cities across the state, diesel engines play a vital role in New York state’s economy. Diesel power brings tourists and goods to the state, harvests crops, builds roads and buildings, fuels emergency vehicles and transports commuters and school children all across the state in a clean, reliable and cost-efficient manner.

North Carolina's GDP totals $400 billion, the ninth largest economy in the country.² Over 300 miles of coastline, scenic mountains and a fertile piedmont region make for one of the most beautiful and geographically diverse places in the country.

Ohio's GDP was valued at $466 billion in 2007, making it the seventh largest economy in the U.S.² As a strong manufacturing state, Ohio depends on diesel power to transport its goods with manufacturing accounting for 19.3 percent of GDP and trade accounting for 13 percent.³ Ohio merchandise exports were $42.4 billion in 2007, representing approximately 3.9 percent of total U.S. exports.

Due to its coastal location, Oregon has taken advantage of international and local gateways to conduct trade and build its economy. The state boasts the most diverse agricultural crop selection outside of California which, together with its signature forestry industry, helps drive the state GDP of $158 billion.

Pennsylvania has the sixth largest economy in the U.S. with a GDP of 569 billion and the 17th largest economy in the world.^{2, 3} Trade supports 1.3 million jobs in Pennsylvania, and exports have grown three times faster than its GDP.⁴ These exports are valued at about $34 billion and account for six percent of the state's GDP.

Rhode Island sports a diverse economy which drives the state GDP of $46.9 billion.² Rhode Island is known as the “The Ocean State for good reason, with over 165 square miles of inland water and over 400 miles of coastline that supports the state’s maritime industry. More than 100 beaches and many historical sites help make tourism the state’s second largest industry, supporting 80,526 jobs and nearly $7 billion in spending in 2007.

Tennessee enjoys the benefits of a diverse economy with a GDP of $244 million.² Often referred to as the "Center of the South," the state relies upon an extensive transportation infrastructure to connect it to neighboring states and the world, as evidenced by the $25 billion worth of total exports.³ Transportation does not just move goods, but it also drives the state's powerful tourism industry.

From the emergency vehicles used to battle hurricanes coming in off the Gulf, to farming equipment that helps harvest crops throughout the state, diesel engines play a critical role in the vitality of Texas. In fact, diesel power drives the Lone Star State unlike any other.

With a GDP of $383 billion, Virginia has the 11th largest economy in the country thanks to strong agricultural, mining and manufacturing industries.² The state’s Mid-Atlantic location and robust transportation infrastructure facilitates transport of the state’s products, residents and visitors throughout the nation’s capital region and beyond. The state exported $16.8 billion worth of goods in 2007, a growth of 55 percent since 2002.

While Washington has become a major hub for the high technology and aerospace sectors, time honored industries such as agriculture, marine trades, and tourism remain vital to the state and its GDP of $338 billion.² Washington is a global gateway to Asia, Canada and Alaska with its ports handling seven percent of the country's exports and six percent of its imports.

Coal mining activity has decreased over the last several years, however it still accounts for $6.5 billion of West Virginia's $63 billion economy and around 12 percent of the nation's total coal production, second to Wyoming.^{2, 3, 4} This and other natural resources such as the forestry industry rely heavily on a strong state transportation infrastructure.

Although best known for its cheese production, Wisconsin's $244 billion GDP comes from a variety of agriculture, manufacturing and service industries. Manufacturing accounts for approximately 14 percent of this total, followed by trade, real estate and the health care sectors.² Wisconsin has four of the country's 100 largest metropolitan areas.