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Comparative Life Cycle Assessment of NH3 as a Transportation Fuel in Ontario
Article

Comparative Life Cycle Assessment of NH3 as a Transportation Fuel in Ontario

Trevor Brown October 13, 2016

A recent paper from the University of Ontario Institute of Technology, published in June 2016, provides new data on the relative efficiency and safety of using ammonia as a transportation fuel. It presents a cradle-to-grave "comparative life cycle assessment" for a range of vehicles, encompassing the vehicle cycles (manufacturing, maintenance, and disposal) and the fuel cycle (operation).

Piloting a Combined Heat and Power / Distributed Generation System, Powered by Carbon-Free, Renewable-Based Anhydrous Ammonia
Presentation

Piloting a Combined Heat and Power / Distributed Generation System, Powered by Carbon-Free, Renewable-Based Anhydrous Ammonia

Peter Sinsheimer

UCLA-STPP is an interdisciplinary science / policy research unit, enjoining faculty in schools of engineering, public health, law, business, and medicine. The two-part mission of UCLA-STPP is to: (1) evaluate the viability of safer, cleaner, greener, more sustainable substitutes for existing hazardous services, processes, systems, and/or technologies, and (2) employ diffusion analysis to identify institutional, policy, and regulatory barriers to the adoption of viable safer substitutes and prescribe policy changes to overcome key barriers. UCLA-STPP has taken leadership in developing and institutionalizing “alternatives analysis” as policy/regulatory tool as a method to evaluate and identify safer, cleaner, greener, more sustainable substitutes.…

Simulation of Fuel Economy of Gasoline-Ethanol-Ammonia Tertiary Fuel Blends for a Series Hybrid Electric Vehicle
Presentation

Simulation of Fuel Economy of Gasoline-Ethanol-Ammonia Tertiary Fuel Blends for a Series Hybrid Electric Vehicle

Shehan Haputhanthri

With the depletion of petroleum resources around the world, a need to have cleaner and fuel efficient automotive technologies and alternative fuel sources has become prominent. Hybrid electric vehicles and sustainable energy sources have gained a high momentum in fulfilling this requirement. To satisfy both needs ammonia, which has been used for a long period of time as a sustainable and carbon free transport fuel can be combined with hybrid electric vehicles. Ammonia when blended with gasoline can be used as an alternate fuel to power existing internal combustion engines. Such blends similar to ethanol-gasoline fuel blends would provide a…

Recent progress on the Ammonia-Gasoline and the Ammonia-Diesel Dual Fueled Internal Combustion Engines in Korea
Presentation

Recent progress on the Ammonia-Gasoline and the Ammonia-Diesel Dual Fueled Internal Combustion Engines in Korea

Youngmin WooJin Young JangYoung Jae LeeJong-Nam Kim

Both a spark ignition engine and a compression ignition engine are considered to use ammonia as primary fuel in this study. First, in a spark ignition engine, an ammonia-gasoline dual fuel system was developed and both ammonia and gasoline are injected separately into the intake manifold in liquid phase. As ammonia burns 1/6 time slower than gasoline, the spark timing is needed to be advanced near 40 degree before top dead center. The test engine showed quite high variation in the power output with ammonia supply more than 70% of the total heat value. As a result, 70% of gasoline…

Further Evolution of an Ammonia Fuelled Range Extender for Hybrid Vehicles
Presentation

Further Evolution of an Ammonia Fuelled Range Extender for Hybrid Vehicles

Stefano FrigoRoberto Gentili

In a previous research the possibility to run a small 4-stroke twin-cylinder SI engine of 505 cm3 with ammonia plus hydrogen was demonstrated. Ammonia and hydrogen tanks were utilized to feed the engine while, apart, the suitability of a custom-designed catalytic reactor to produce hydrogen from ammonia with the required flow rate was verified as well. The experimental activity confirmed the need to increase combustion velocity by adding hydrogen to air-ammonia mixture, with energy ratios that mainly depend on load and less on engine speed. The minimum hydrogen to ammonia energy ratio was found below 6% at full load and…

A Hybrid Vehicle Powered by Hydrogen and Ammonia
Presentation

A Hybrid Vehicle Powered by Hydrogen and Ammonia

Paolo DarioRoberto GentiliNeri BonfantiGiuseppe PozzanaStefano FrigoNicolo DoveriVirgilio MattoliMarina Ragnoli

A partnership of Research and Industry entities has developed a fully working hybrid electric vehicle equipped with a 15 kW IC engine fuelled with liquid ammonia as a range extender of the lithium batteries pack on board. The entire vehicle powertrain (ie, the IC engine, the electric generator coupled with the engine, the electric motor, the electronics etc.) has been studied and designed. Regarding the IC engine, as is known, ammonia combustion is characterized by a high activation energy and a low flame velocity, therefore a small amount of hydrogen is requested as igniter and combustion promoter. The necessary amount…