In March 2024, the Merrillville Fire Department took one of its trucks to Merrillville-based Hoosier Diesel & Off-Road, a repair shop that specializes in diesel and off-road vehicle maintenance.

Arjun Oberoi and Daniel Kim shared something in common: When their grandparents began losing their eyesight, they had to change the way they interacted with the world and needed assistance in ways ...