Conventional asphalt (bitumen) is a by-product of petroleum oil refinery and it is used as binder in flexible pavements all over the world. Bitumen is normally manufactured and handled at high temperatures. Probable hazards related to hot bitumen are the potential to cause severe problems on the health of pavement workers as well as on our environment. Nowadays, consequences such as respiratory problems, environmental degradation, depleting petroleum reserves and price-spiking, lead us to explore alternative sources of obtaining binder for pavement...