Combining a polymer-modified emulsion with two aggregate fractions gives you an especially durable surface. This was one of the main reasons why the contractor Skanska and the Swedish Transport Administration chose to use this technique on a road project in northern Sweden.
The International Maritime Organization (IMO) has announced that it will dramatically lower the global limit on sulfur content for marine fuels from the current 3.5% to 0.5% as of 2020. The aim is to significantly curb pollution produced by the world's ships. Three experts reflect on what this means.