On 1 July 2017, India switched to a unified taxation system – the Goods and Services Tax (GST). Four months on, we look at how this new tax regime is affecting India's transport sector and oil demand. Specifically, we address the following: • What are the implications for domestic gasoline and diesel prices? • How is GST affecting the price of cars in India? • What is the impact on India's gasoline and diesel demand? • How is GST affecting long-haul commercial road transport?