This example visualizes the relationship between engine displacement and horsepower across a dataset of automobiles from the auto-mpg CSV file. Each point represents a car, with opacity and size encoding density, and tooltips reveal the vehicle name. The visualization uses the Vega-Lite API to construct the scatter plot, built on Vega and Vega-Lite, with D3.js handling CSV loading. The rendering uses configurable axis styling and a dark color scheme for improved readability.