This bubble chart shows the correlation between average horsepower, torque, and highway MPG across 31 car makes. Bubble position encodes horsepower and torque on the x and y axes, while bubble size represents highway MPG and color distinguishes each make. A tooltip reveals the make on hover, and a legend relates bubble size to MPG values. The visualization uses D3 v7 with d3.csv for data loading, d3.scaleLinear for position and size, d3.scaleOrdinal with d3.interpolateTurbo for colors, and SVG circles with mouse event handlers for tooltips.