On the Road

Available for over a year

Will self-driving cars help or hurt the environment? The data seems to say it could go either way. Also: A researcher discovers he can hack a car with his smartphone; a cyclist wants to teach Americans a safer way to open their car doors; the world’s largest buyer of natural rubber pledges to go green; the mayor of Carmel, Indiana, explains why he has installed more than 100 roundabouts in his city; and singer Emily Scott Robinson serenades us with her new song “Traveling Mercies”. (Image: Members of media take picture of Karl Iagnemma, chief executive of nuTonomy, and Grab Singapore head Kell Jay Lim as they ride inside a self-driving car. Credit: Roslan Rahman/AFP/Getty Images)