This bubble chart visualizes the correlation between engine power, torque, and fuel consumption for various motorcycle brands. Each circle’s position encodes horsepower and torque, while its size represents highway MPG, and color distinguishes brand. The visualization includes an interactive tooltip that appears on hover and a legend for both bubble size and brand categories. Built with D3 v7, it uses d3.csv for data loading, d3.scaleLinear for positioning and sizing, and d3.axisBottom/axisLeft for axes, with SVG rendering and CSS-based opacity transitions for hover feedback.