Automobiles Design and construction 22 Dissertations 16 Dissertations, Academic 16 Motors 15 Motor vehicles 11 Springs and suspension 11 Automobile industry and trade 9 Exhaust gas 8 Fuel consumption 8 Automatic control 6 Noise 6 Environmental aspects 5 Equipment and supplies 5 Measurement 5 Vibration 5 Air 4 Biodiesel fuels 4 Crashworthiness 4 Internal combustion engines 4 Maintenance and repair 4 Motor fuels 4 Pollution 4 Safety appliances 4 Standards 4 Technological innovations 4 Testing 4 Automation 3 Brakes 3 Collision avoidance systems 3