The companies with more than 100 employees in the same site must also elaborate a mobility plan for their employees, which must be updated every 3 years. The objective is to promote the shift to more sustainable transportation modes and to reduce the traffic and traffic jam. Finally, the last measure considered in the WEM scenario is the promotion of car sharing, as alternative to personal car ownership. There are various systems of car sharing: round trip, one way or free floating. The PACE established an objective of 20000 clients in BCR at the 2020 horizon which implies the availability of 800 cars. from some 70 kt CO₂ in 2006 down to 10 kt CO, in 2015. We assumed they would stabilize at that level until 2030. Transport sector represents 22% of Brussels Capital Region total energy consumption in 2016. Projections of transport emissions consider road and off-road transport, railways, inland navigation, and natural gas transport. Road transport emissions represent 98.5% of the total (direct) GHG emissions of transport (in 2016). The main hypotheses are described in the following paragraphs.