The objective of the Consumers, Vehicles and Energy Integration project is to inform UK Government and European policy and to help shape energy and automotive industry products, propositions and investment strategies. Additionally, it aims to develop an integrated set of analytical tools that models future market scenarios in order to test the impact of future policy, industry and societal choices.The project is made up of two stages:Stage 1 aims to characterize market and policy frameworks, business propositions, and the integrated vehicle and energy infrastructure system and technologies best suited to enabling a cost-effective UK energy system for low-carbon vehicles, using the amalgamated analytical toolset. Stage 2 aims to fill knowledge gaps and validate assumptions from Stage 1 through scientifically robust research, including real world trials with privatevehicle consumers and case studies with business fleets. A mainstream consumer uptake trial will be carried out to measure attitudes to PiVs after direct experience of them, and consumer charging trials will measure mainstream consumer PiV charging behaviours and responses to managed harging optionsThis report represents Deliverable 2.1, Consumer Attitudes and Behaviours.The purpose of this report is to provideunderstanding of consumer attitudes towards ULEV adoption including detail of existing and new barriers to adoption;to capture and discuss lessons learnt from previous consumer trials to identify risks and develop recommendations to mitigate the risks; and toqualitatively explore consumer attitudes to managed charging scenarios (with consumers who have experience of a BEV or PHEV).Each chapter of this Report provides a summary of theoverall results from the individual research activities.These are collated into an overall key findings section within the report (Section 6). In the Executive Summary, only the key findings for input into other areas of the project are summarised.