LAKE FOREST, Calif., March 14, 2013 /PRNewswire/ -- Quantum Fuel Systems Technologies Worldwide, Inc. (NASDAQ: QTWW), a global leader in natural gas storage systems, integration and vehicle system technologies, has been invited to present at the ROTH Capital Partners 25th Annual Conference being held March 17-20, 2013 at The Ritz-Carlton, Laguna Niguel in Dana Point, California. Brian Olson, President and CEO of Quantum will present on March 20th at 11:00 a.m. in the Promenade White, Track 8. About the 25th Annual ROTH ConferenceThis annual conference, one of the largest of its kind in the U.S., brings together executives from hundreds of growth companies. This event is designed to provide investors with a unique opportunity to gain insight into small and mid-cap growth companies across a variety of sectors, including energy, software, technology, industrials, healthcare, media, consumer and retail. ROTH combines company presentations, Q&A sessions, expert panels and management one-on-one meetings to provide institutional clients with extensive interaction with senior management to gain in-depth insights into each company. About Quantum: Quantum Fuel Systems Technologies Worldwide, Inc. is a leader in the development and production of natural gas fuel storage and system technologies, alternative fuel vehicles, and advanced vehicle propulsion systems. Quantum's portfolio of technologies includes natural gas and hydrogen storage and metering systems, electronic and software controls, hybrid electric drive systems, and other alternative fuel technologies and solutions that enable fuel efficient, low emission natural gas and hybrid, plug-in hybrid electric and fuel cell vehicles. Quantum's powertrain engineering, system integration, vehicle manufacturing, and assembly capabilities provide fast-to-market solutions to support the production of natural gas, plug-in hybrid, hydrogen-powered hybrid, fuel cell, and specialty vehicles, as well as modular, transportable hydrogen refueling stations. Quantum's customer base includes automotive OEMs, fleets, aerospace industry, military and other governmental agencies, and other strategic alliance partners. Quantum is headquartered in Lake Forest, California, and has operations and affiliations in the USA, Canada, Germany and India. About ROTH Capital PartnersROTH Capital Partners, LLC (ROTH) is a relationship-driven investment bank focused on serving emerging growth companies and their investors. As a full-service investment bank, ROTH provides capital raising, M&A advisory, analytical research, trading, market-making services and corporate access. Headquartered in Newport Beach, CA, ROTH is privately-held and employee owned, and maintains offices throughout the U.S. and Hong Kong. For more information on ROTH, please visit www.roth.com. More information can be found about the products and services of Quantum at http://www.qtww.com/ or you may contact: Brion D. TanousPrincipal, CleanTech IR, Inc.Email: firstname.lastname@example.org ©2013 Quantum Fuel Systems Technologies Worldwide, Inc. Advanced Technology Center25242 Arctic Ocean Drive, Lake Forest, CA 92630Phone 949-399-4500 Fax 949-399-4600 SOURCE Quantum Fuel Systems Technologies Worldwide, Inc.