Translation of "environment friendly" into Portuguese

At the same time all modes of transport are required to become more environment-friendly, safe and efficient from the energy point of view

Preconiza simultaneamente que todos os modos devem ser mais ecológicos, seguros e eficientes em termos energéticos

There are plans to produce better definitions of what environment-friendly vessels are.

Há planos para especificar melhor o que são navios consentâneos com os requisitos ambientais.

Inland waterways are also particularly environment-friendly because they do not use much space or generate much noise.

As vias fluviais também são particularmente respeitadoras do ambiente, pois ocupam pouco espaço e são pouco ruidosas.