Analyze Fuel Efficiency Trends Over Time
This shows how fuel efficiency improved across all regions, likely due to changing regulations, technology advances, and market demands.
We used this line chart because it clearly shows how average MPG changes over the years, revealing fuel efficiency trends and highlighting shifts over time.
Key Insights:
- All cars → Clear trend of rising fuel efficiency over time, especially after 1975.
- American cars → Lower MPG early on, strong improvements after mid-1970s.
- Japanese cars → Steady MPG growth, consistently high efficiency.
- European cars → Gradual MPG increase, sharp rise near 1980.