The irony of lawn tools is that they’re often destroying the same outdoor spaces we are hoping to maintain and manicure. That’s because some of them are causing more harm to the environment than many people realize.
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Gas-powered outdoor equipment, including leaf blowers and lawn mowers, emit an outsized share of carbon dioxide, nitrogen oxides, and volatile organic compounds (VOCs).
There are 650 million gas-powered outdoor tools currently in use in the U.S., according to a study from The Freedonia Group, a division of MarketResearch.com. And each one contributes to climate change.
Any form of energy comes at some cost to the environment. The lithium-ion batteries that power these lawn tools need to be recharged with electricity, so they contribute to greenhouse gas emissions indirectly by taking energy generated by power plants.
“But it’s a fraction of the harmful emissions produced by running gas tools,” Mui says.
And if your utility company relies in part on renewable energy, such as wind and solar power, the carbon footprint of using your electric tool gets even smaller.
You can find out where your area stands by entering your ZIP code into the EPA’s Power Profiler to see how much of the energy you use is generated by oil, natural gas, and renewable sources.
One side note: If you purchase multiple tools from the same manufacturer platform, you can use one battery interchangeably for all of them. And for each tool you purchase without a battery, you pay around 30 percent less.
It’s almost inevitable that you’ll spill a few drops of gas when refilling the tank of a lawn mower or string trimmer, or when filling up a container at a gas station.
That’s because when you’re filling a gas container, a gas pump’s shutoff mechanism doesn’t activate the way it does when you’re filling your car’s tank. So you’re more likely to overfill your container. “That spilled gasoline can contaminate groundwater and aquatic systems, potentially exposing people to dangerous hydrocarbons like benzene and toluene,” says Andrew Zimmerman, a professor of geological sciences at the University of Florida.
And while your small spill may seem like no big deal, consider that you’re one of millions of people making that mistake. “If you added up all the spilled fuel across the country each year,” Mui says, “you’d probably end up with something that resembled a large-scale oil spill.”
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At CR we regularly conduct member surveys in which we ask our members to tell us about problems they experienced with their outdoor power equipment. We use that data to estimate how reliable newly purchased tools will be through the fourth or fifth year of ownership. The more reliable the tool, the less likely it will quickly end up in a landfill.
What we discovered: Battery-charged trimmers and leaf blowers turn out to be more reliable than gas ones. For instance, almost all the battery string-trimmer brands we test earn a favorable rating or above for predicted reliability, while less than half of the gas brands we rate score as well. As for leaf blowers, most handheld battery-powered brands earn a favorable or very favorable reliability rating. No handheld gas brand earns more than a midlevel reliability rating. In fact, a majority of brands warrant unfavorable or very unfavorable ratings.
We see more variability with battery-charged lawn mowers, but almost all of the cordless electric mower brands for which we have adequate data earn a midlevel rating or better—and a handful of brands earn top-level or near top-level ratings. Most gas mower brands are also rated midlevel or better, but there are more gas brands that do not receive acceptable reliability ratings.
Overall, as battery-powered lawn tools of all kinds have improved, so have their warranties. Many brands have started offering lengthier warranties of two or three years as opposed to one year, which was pretty standard when battery tools first came out. So when a problem arises with a battery-powered lawn tool, it may be easier to have it fixed than in the past, as opposed to throwing it out. That’s good for the earth and for your wallet, too.
Industries all over the world are reevaluating their operations and taking substantial steps towards more environmentally friendly and socially responsible ways as concerns about environmental conservation and sustainable practices continue to rise. One sector that has been taking notable steps in this direction is the hardware and power tool industry. From innovative designs to energy-efficient technologies, various players in the sector are embracing sustainability to ensure a greener future.
The manufacturing sector plays a substantial role in global greenhouse gas emissions, contributing significantly to environmental challenges. In fact, the manufacturing and construction industries are the second largest contributor to global emissions worldwide, next to the electricity and heat sectors.
As a result, the tool and hardware industries are actively contributing to global sustainability efforts by producing eco-friendly products that align with the broader goal of mitigating climate change and fostering a more sustainable future for all. This shift has led to innovative advancements, such as the use of renewable materials, energy-efficient technologies, and circular design principles, aimed at reducing emissions and minimising the sector's carbon footprint.
Japan, often at the forefront of technological advancements, has been leading the charge in implementing sustainable practices within the hardware and power tool sectors. Japanese companies have been focusing on incorporating renewable materials, reducing energy consumption, and minimising waste generation. One notable initiative is the development of eco-friendly power tools that are not only efficient but also have a reduced environmental impact.
In recent years, Japanese manufacturers have focused on developing more environmental and energy-saving products and innovations. For instance, domestic companies like Torico have been offering products such as venturi steam traps that reduce boiler fuel costs by 20 to 50 percent, eco-pads made from 100% natural fibre from kapok fruit that absorbs 40 times more oil than its own weight, and heat shield sheets.
Another domestic company making strides in exploring alternatives to traditional hardware is UNIQ. With the use of autonomous robotics technology, they were able to develop an eco-friendly, radio-controlled mower that is fully electric and capable of mowing grass over 1 metre tall.
This shift in business offerings not only decreases the carbon footprint of these products but also encourages a circular economy by reducing waste. Moreover, Japan has been investing heavily in research and development to create energy-efficient power tools without compromising performance. Battery technology has been a focal point, with advancements in lithium-ion batteries leading to longer usage times and quicker charging cycles. These innovations contribute to minimising energy consumption and reducing the overall environmental impact of power tools.
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