[Judy Pino] Hello, and welcome to Green Scene, a series of environmental podcasts that you can take with you. I'm Judy Pino. Did you know that Americans spend more than three billion hours per year using lawn and garden equipment, and many, many more hours using recreational boats? Well, these engines powering our boats and lawn mowers may be small, but their emissions are large, and they are contributing to serious air quality issues. To confront those issues, the Environmental Protection Agency is adopting new exhaust emissions standards for equipment and small boats using these engines. To tell us more about these new standards is Lori Stewart, associate office director of EPA's Office of Transportation and Air Quality. Welcome, Lori. [Lori Stewart] Thank you, Judy, nice to be here. [Judy Pino] Well, these are all domestic items, Lori. Anyone of us could own it at any point in time. What are these standards and why is EPA adopting them? [Lori Stewart] Yes, as you said, Judy, we've just established standards on lawn and garden equipment as well as on gasoline-powered recreational boats. What we're talking about here is lawn mowers, leaf blowers, fishing vessels, really any marine vessel that's not operated on diesel fuel. For our lawn and garden standards, we're going to be seeing 35 percent reductions in smog-forming pollutants, hydrocarbons, and nitrogen oxides. We're also going to be seeing about a 45 percent significant reduction in evaporative emissions, which are toxic from the fuel itself. And we even go further for the marine vessels, where we're going to be seeing 50-70 percent reduction in these pollutants. This is going to significantly help areas that are trying to achieve their air quality standards across the country. [Judy Pino] Now, when people hear this, they'll say, "Well, what are the costs and benefits of implementing standards like this?" [Lori Stewart] These standards are extremely cost effective. We estimate billions of dollars in public health benefits that outweigh the costs by a ratio of greater than 8-to-1. Once the standards are fully implemented, we estimate that hundreds of premature deaths will be avoided each year, thousands of hospitalizations and emergency room visits will be avoided, and tens of thousands of missed work days and school days will be avoided. In addition to that, consumers will save millions of gallons of gasoline, which not only saves the consumer money, but will also reduce greenhouse gases that contribute to climate change. [Judy Pino] Just by the numbers, EPA estimates that these standards will help prevent the following each year: between 300 and 500 premature deaths, 1,700 hospitalizations and emergency room visits, 23,000 work days lost, and 180,000 school days lost. That's pretty significant. [Lori Stewart] Yes, it certainly is. [Judy Pino] Why focus on this now? [Lori Stewart] Well, as you know, Judy, we have made tremendous progress in this country over the last several decades on air quality, and we've set increasingly strict mobile source emissions standards for cars, trucks, farm/construction equipment, even commercial marine vessels and locomotives. But we still have a long way to go. We've got over half of this country, about 160 million people, still living in non-attainment areas for either ozone or particulate matter, and these lawn mowers and recreational boat engines are similar to the combustion engines we use in our vehicles, but they have not had the emissions controls that we've experienced over the last couple of decades with our vehicles. And because of that they contribute about a quarter of the hydrocarbon and carbon monoxide emissions from mobile sources in general, so reducing these emissions is going to significantly help air quality across the country. [Judy Pino] And what kind of serious air quality issues can these -- [Lori Stewart] Particularly smog-forming contaminants as well as carbon monoxide, and some particulate matter reductions will also be achieved. [Judy Pino] And what serious air quality problems are we talking about? [Lori Stewart] Particularly smog problems, I think, would be the most significant area that these standards will assist on, as well as carbon monoxide and particulate matter reduction. [Judy Pino] So, as we all know, there are plenty of people out there with lawn mowers and recreational boats out there. How are these standards going to affect them? [Lori Stewart] Well, most Americans are either going to be operating one of these small gasoline engines or are going to be exposed to the emissions. So these standards not only benefit the person who's directly affected by these engines or directly operating them, but it will benefit the community as a whole. One thing we do want to emphasize is that the standards only apply to new engines, so those old engines in your garage are not going to be impacted. And we want the consumers to know that if you purchase these gasoline-powered boats, starting in 2010 they will be subject to these new emissions standards. And the lawn and garden equipment will be subject to the standards in 2011. [Judy Pino] So, we'll be able to upgrade if we'd like. [Lori Stewart] Yes, and for that matter, even the two strokes on some of these gasoline motorboats can be upgraded to four strokes, so you don't necessarily have to replace the whole vessel to get the benefits of these standards. [Judy Pino] Good to know. Thank you, Lori Stewart, associate office director of EPA's Office of Transportation and Air Quality, for being with us. All good information. [Lori Stewart] Thank you, Judy. [Judy Pino] And if you would like to learn more about these new emissions standards for small engines, please visit www.epa.gov/otaq, O-T-A-Q. See you next time on Green Scene.