Gene-editable materials for future transportation infrastructure: a review for polyurethane-based pavement

Journal of Infrastructure Preservation and Resilience

Table 2 Energy consumptions and GHG emissions in producing one ton of mixtures [22]

Material	Fuel consumption		Energy consumption (MJ)			GHG (CO₂-e) (kg)
	Type	Rate	Fuel	Electricity	Total	Fuel	Electricity^a	Total
Diabase + bitumen	Diesel (kg)	5.74	191.07	5.21	196.28	15.02	4.56	19.58
	Heavy oil (kg)	5.66	191.07	5.21	196.28	18.17	4.56	22.74
	Natural gas (m³)	6.97	191.07	5.21	196.28	13.41	4.56	17.97
Granite + bitumen	Diesel (kg)	7.54	271.29	5.21	276.50	19.73	4.56	24.29
	Heavy oil (kg)	7.43	271.29	5.21	276.50	23.86	4.56	28.42
	Natural gas (m³)	9.16	271.29	5.21	276.50	17.62	4.56	22.18
Limestone + bitumen	Diesel (kg)	6.51	225.45	5.21	230.66	17.04	4.56	21.60
	Heavy oil (kg)	6.42	225.45	5.21	230.66	20.61	4.56	25.18
	Natural gas (m³)	7.91	225.45	5.21	230.66	15.22	4.56	19.78
Ceremic+PU				0.58	0.58		0.50	0.50

^aNote: GHG emissions from electricity are highly dependent on the energy source to generate electricity. In this study, the average data of different regions in China is used [22]