query: What is the estimated fuel economy of this car when driving at high speeds on the highway? intent: oil change how examples: Can you walk me through the process of modifying my car's oil-changing system? <eou> What are some tips for changing my oil without making a mess? <eou> Can you walk me through the process of changing my oil? <eou> What are some innovative ways to change the oil in my automobile? <eou> Are there any special considerations I should keep in mind when changing my oil in my diesel engine? <eou> how can I make this DIY oil change a breeze? <eou> how often should I change my oil to keep my car running smoothly? <eou> how can I avoid common mistakes when changing my oil? <eou> how do I modify my vehicle's oil-changing process? <eou> Is it better to change my oil myself or take it to a mechanic? <eou> How can I ensure that I am getting the right type of oil for my vehicle when changing my oil