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The emission control for commercial vehicles in Latin America has just begun and it brings an exceptional opportunity for the introduction of a common concept towards an air quality program suited for developing countries. The analysis of prior experiences accumulated by countries where legislations on that field have already been settled and improved is a worthy tool to choose the most convenient alternative to deal with the emission control in an affordable way. Steady-state test procedures provide enough information to estimate the engine emission levels on actual operation, avoiding the use of expensive facilities. Through simple and already well-proven methods and considering all aspects concerning the problem, from the fuel quality to the vehicle maintenance, it is possible to reach the main aim, the air preservation, alloting fewer resources and promoting Latin America's integration.

We intend to present in this work the potential of the application of renewable natural products as raw materials within the production of components for the automobile industry, encouraging the development of technologies ecologically correct for the benefit of a sustainable development. We present the objectives of the Program Poverty and and Enviroment in the Amazon - POEMA and the results already obtained through the integration and performance of vital parts which indicates in the human development and in the Amazon ecosystems preservation, its main point of convergence. We have made an analisys of the mechanics properties of the main tillable vegetal fibres as well as the performance of thermoplastic parts reinforced with flax fibres, sisal and hemp compared to the glass fibres.