The push for greener, sustainable design is universal. Whether it’s in the cars we drive or where we get our energy for our houses, green design has left the periphery of modern engineering and is now a dominant influence in contemporary engineering, often even the most important factor. In essence, sustainable design is designing to do more with less. The green road, however, is turning out to be winding and hazardous, and is presenting some monumental challenges for engineers. We want products that consume fewer resources during production, require less energy during operation, but still have the performance and pizzazz that we all love, and at competitive prices, too. In many ways, these demands are contradictory, but the engineering community is responding with some creative thinking and new technologies.