Table 4 Exemplary consequences of two regulatory policy measures for the Kaya identity factors

From: The behavioral dimension of transport decarbonization

 

Fuel Choice

Technology Choice

Travel Behavior

Fuel economy regulations

No direct impact on fuel choice

Adoption of more fuel-efficient vehicles

Rebound effect leads to more driving

Sustainable Aviation Fuel (SAF) mandate

Mandatory uptake of SAF

More expensive fuel can lead to accelerated adoption of more fuel-efficient aircraft

At least part of the fuel cost increase will be passed on to consumers, depressing travel demand

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