The search for cleaner energy sources for transportation has taken trucking in some interesting directions, but one source is often overlooked or even dismissed: renewable natural gas. It's methane gas produced by decomposing organic matter from sources like landfills, dairy farms, and wastewater treatment plants. It can be economically collected and used to power trucks. It's already a source of fuel for many refuse collection fleets. Hugh Donnell of Cummins Westport, maker of the engines that turn this harmful waste gas into motive power, describes the challenges and benefits of wider RNG adoption as a truck fuel.
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Forget hours of service for the moment; this episode is about the importance of sleep. Jim Park talks with sleep specialist, Dr. Chris Winter, about why we need sleep, what happens physically and mentally when we don't get enough, and the steps you can take to ensure you get the sleep you need.
As trucking moves to wide-scale adoption of alternative fuels, it's becoming clear that we will need a little bit of everything to keep our wheels turning as greenly as possible. Deborah Lockridge and Jim Park explore the pros and cons of today's most promising alternatives to diesel: battery electric, fuel-cell electric and renewable natural gas.
Penske Truck Leasing has had an electric truck trial and evaluation project underway in southern California since 2017. They are trying to understand everything that would go right and everything that could go wrong with integrating several classes of electric trucks into a traditional fleet environment. Penske's head of fleet procurement and planning, Paul Rosa, shares his experience, so far.
If you think diesel is dead, or even on its last legs, you may come away with a completely different point of view after listing to this episode. Allen Schaeffer is the head of the Diesel Technology Forum, and one of diesel's greatest proponents. He explains why diesel engines aren't going anywhere anytime soon.
The National Transportation Safety Board doesn't investigate every truck crash but digs deep into some for insight that could help prevent future crashes of a similar nature. Robert Molloy, the director of NTSB's Office of Highway Safety explains why it investigates certain crashes and shares some of the conclusions drawn from two specific truck accidents.
Season 4 rounds out our first year of podcasts. This season we look at the future of fuel, including battery electric and renewable natural gas, and our tried-and-true diesel engines. We also have one special episode that's bound to put you to sleep. And HDT Editor in Chief Deborah Lockridge joins host Jim Park for a rousing discussion on alternative fuels, the cover story from our October issue.
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