Manufacturers of heavy duty vehicles face a new challenge. Future legislation will drastically reduce the allowed emissions from diesel engines. The new high pressure valve stem seal, with its robust design, enables a reduction of blow-by gases and helps reduce CO2 emissions. The result is increased engine efficiency and improved fuel economy. This is a great example of what we call Knowledge Engineering. And yet another way of how we apply our know-how by utilizing our wide range of products and services to help increase efficiency, save energy and reduce environmental impact.