1. Presented By: Philip Green February 13, 2015

2. Propane Across The U.S. Most popular alternative fuel and growing rapidly. Over 270,000 on-road vehicles in the U.S. and over 15 million world wide. Domestically produced fuel. Readily available and affordable fueling stations. Used for fleet applications such as taxicabs, law enforcement vehicles, vans and medium duty trucks. Is a high octane fuel source, increasing overall efficiency of the engine and lowering operating and maintenance costs. Over 3,500 school buses on the road today are fueled by propane.

3. Propane Advantages Significant reduction in fuel costs. Domestically produced fuel. Zero compromise in horsepower and torque. Low cost access to public and private fueling infrastructure. Naturally clean burning fuel. Attractive return on investment for many school districts with and without government incentives. Immediate impact to daily import of 11 million barrels of crude oil.

4. IC’s CE Propane Engine

5. Who Is PSI?

6. PSI At A Glance 2012: 40,000 + Engines 2014: 80,000 + Engines 2016: 120,000+ Engines

7. 8.8L Base History

8. Technical Comparison

9. Performance Comparison

10. Compatible With Allison Transmissions

11. Better Performance Power, Torque, Durability

12. Launch Schedule Accept orders – Jan/Feb 2015 First buses roll of the assembly line – May/Jun 2015 First deliveries – August 2015 for new school year Buy off the FDOE Contract – Jan 2016