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The requirements for a new vehicle to become a sales success go beyond the emission and safety compliances, low fuel consumption and attractive design. The market is constantly more demanding for innovative features that either solve a well-known problem or offer solution for matters that make the user's life simpler. All conditions above must be achieved in the most economic way, since the price of the car defines its competitiveness. The hill start in manual or automated manual transmission vehicles is faced by most users as inconvenient situation. In the time interval between brake pedal releasing and gas pedal pressing, the car might roll backwards, causing an unsafe or at least uncomfortable situation. The device currently presented offers a simple solution that assists the driver in such situation, keeping the vehicle stopped while the driver releases the brake pedal and requests enough engine torque to safely start in hill condition.

The fossil fuels will still be the energy source used in the mobility industry by the next generations. In several countries, however, already the initiative exists for the use of alternatives energy from biomass, what demands the development of new technologies for the emissions and fuel consumption reduction. That is a constant challenge for world wide research and development centers. Brazil, pioneer in the mass production of alcohol vehicles in the 80'decade, blunts in the last two years with a new large scale program, a new Flexfuel vehicles generation that will crosses 60% sales in the end of 2005. These vehicles use in the same engine, any mixture in any proportion of the ethanol or gasoline.