This scatterplot compares vehicle horsepower and weight using data from the auto-mpg dataset, loading CSV data via `d3.csv` and rendering with SVG circles. The chart uses `d3.scaleLinear` for both axes, `d3.extent` to set domains, and `d3.axisLeft`/`d3.axisBottom` with gridlines. The title and axis labels are added as SVG text elements, and the visualization is built with D3 v6 in a simple HTML page.