Transit Bus Emission Study: Comparison of Emissions from Diesel and Natural Gas Buses

Material Science

• Compressed Natural Gas 100%
• Natural Gas 33%
• Diesel 33%
• Catalyst 22%
• Particle 16%
• Oxidation Reaction 11%
• Toxicity 5%
• Fuel Consumption 5%

Engineering

• Catalyst 22%
• Performance 16%
• Filters 11%
• Measurement 5%
• Particle Number 5%
• Chemical Composition 5%
• Fuel Injection 5%
• Polyaromatics 5%
• Duty Vehicle 5%
• Particle Filter 5%
• Reference Value 5%
• Duty Cycle 5%
• Models 5%
• Chassis Dynamometer 5%
• Accreditation 5%
• Original Equipment Manufacturer 5%
• Testing 5%
• Evaluation 5%
• Demonstrates 5%
• Cycles 5%
• Size Distribution 5%