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?