Tesla pitched its new Semi as the future of trucking

The company recently completed a test drive of its all-electric truck

delivered the first Semis order he PepsiCoPEP +0.6%.

The Semi represents a major advancement for electric big rigs when it comes to eco-friendly transportation.

Let's take a closer look at this new addition to roads across the country

In 2017, it revealed that it built an all-electric semi-truck. At the time

"If you're a trucker and you want the most badass rig on the road, this is it," Musk said

However, a series of setbacks lengthened that schedule.

Still, industry experts remain skeptical that battery electric trucks can take the strain of hauling hefty loads for hundreds of miles economically.

After much delay, the road-legal Tesla Semi was unveiled.

The company recently shared the results of a successful 500-mile test drive.

While the Semi took longer than expected to become a reality

its launch marks a major milestone in the development of

environmentally friendly transportation options for large rigs.