Find the Most Eco-Friendly Car at

Lina Olazabal ‘22 is a web-based app that allows users to compare the carbon emissions profiles of new vehicles in order to make the best decisions for themselves and the environment. Logan, my twin brother (former Lawrentian, who now attends Phillips Exeter Academy), and I realized that carbon emissions from vehicles are a significant contributor to climate change impacts. We felt that there was a need for a more user-friendly manner for consumers to compare carbon emissions profiles and make smart choices.
The underlying data that we utilized for our website is available from the Environmental Protection Agency (EPA), which tracks new vehicle carbon emissions. The data is very extensive, but not easily accessible; the challenge was building a web app to translate the data into a user-friendly format.
There are a series of mathematical steps involved in translating the EPA data from miles per gallon to grams of carbon emitted. We also built in the capability for drivers to estimate their annual driving in terms of miles and convert carbon emissions to one, three, and five year impacts.
Regarding the best car choices, it really depends on what kind of vehicle a person is looking for. Since a family is likely looking for a SUV or minivan, the key is to find the right choice within that vehicle sub-segment. For example, within SUV’s, the Honda CR-V and Lexus UX 200 are some of the ‘greenest SUVs’ available. However, if a person is looking for a smaller car while still trying to reduce his/her carbon footprint, the Hyundai Ioniq Blue would be a great option.
For additional information, please contact Lisa M. Gillard Hanson, director of Public Relations, at

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