Simple home improvements like proper insulation can reduce winter energy bills

To save money in the colder months, some experts recommend washing your clothes in cold water, using your dishwasher instead of washing dishes by hand, and more. This article lists even more winter money-saving tips.

As much as 10% of home electricity use comes from unused devices left plugged in.

The typical US household could lower its household costs by 6.4% by using coupons

The study looked at coupons for food, household items, entertainment, and clothing, as well as other expected expenses. The grocery store category offered the largest amount of savings at around $316 annually.

Energy Star certifies efficiency to help Americans save energy and cut emissions

Launched by the EPA in 1992, the Energy Star program identifies appliances, buildings, and electronics that meet high efficiency standards. It has helped consumers save over $500B in energy costs and prevent 4 billion metric tons of greenhouse gas emissions.

Many 'cheap' retirement destinations contain hidden costs

Considering factors outside of housing and state income tax is crucial when thinking of an inexpensive place to retire. High energy bills, grocery tax, and insurance premiums are just a few things to look out for when picking where to live.

US cities where inflation is rising the most

WalletHub compared 22 major metropolitan areas to see how inflation has risen in the last year using the Consumer Price Index, which describes the average cost of a basket of goods. As of April 2024, Honolulu, Hawaii, clocked in with the greatest year-over-year change in prices, with inflation close to 5%. See the full list here.

Hawaiian households spent 33% more on groceries than the US average in 2025

At $157 per week, Hawaiians had the highest average weekly grocery bill out of all the US states in 2025. Arkansas residents spent the least on groceries at $111 per week.

New York was the most expensive city to rent a three-bedroom apartment in as of 2025

At an average of $8.4K per month, New York City beat out London, Paris, San Francisco, and others as the most expensive major city to rent in. This visualization shows exactly how the others ranked.

Thousands of quarters and huge water bills: the economics of laundromats

There are approximately 30,000 laundromats in the US, serving the roughly 50% of apartment dwellers who do not have a washer or dryer. Shops profit when they can get their machines—roughly 30 to 40 per location, on average—to wash eight to 10 loads a day. Connections with commercial vendors help.

How much Americans spend on groceries by state

You've probably heard that the price of groceries has gone up across the US in the past few years—but do you know what the average American household is currently paying for their weekly grocery bill? That answer differs state-by-state: For instance, households in Alaska and Hawaii have the largest average weekly grocery bills at $329 and $334, respectively, partly due to shipping costs. See a map showing the averages in each state here.

Six bills experts say you shouldn't put on autopay

Autopay has plenty of benefits, such as helping to avoid late fees and streamlining your bill paying process. But some experts say there are a few types of bills that you shouldn't autopay, especially if you're not confident you can pay these bills in full each term. The list includes utility bills and annual subscriptions. Read the full list here.

How much did WWII cost?

Though it lasted fewer than four years, World War II was the most expensive war in United States history, according to this infographic. Read through it to see how much WWII cost and learn about the consequences of financing such an expensive conflict.

Data from 2020 suggests that fossil fuels are the most dangerous and least clean energy sources, causing the most deaths and emitting the most greenhouse gases per unit of energy generated.

As of 2025, China used the most electricity of any country, accounting for 33% of the total global demand and more than twice that of the US.

The history of many kitchen appliances involves unexpected discoveries and applications, including wartime radar turned hamster defroster and replacing an 'ice king' with heat-stealing boxes.

See where Americans spend the most on gas

Drivers in Wyoming spend the most on gas per month at about $279, while New York drivers pay the least at $132. Longer driving distances have a significant impact on how much American drivers spend on gas.

America's most expensive ZIP codes

Real estate brokerage Clever evaluated home prices using Zillow and listed the top 10 priciest ZIP codes. Eight of the top 10 regions are located in California. Check out the full list here.

The factors stirring up a home insurance storm

The cost of the average home insurance premium shot up 33% between 2020 and 2023 in the US, a trend mimicking heightened inflation. But beyond the cost, insurers are also pulling out of major markets like Florida and California, and millions of policies aren't being renewed as the number of $1B weather disasters continues to increase each year. Read up on the difficulties the home insurance market faces here.

Explore which sectors produce the most greenhouse gas emissions by country

As of 2023, the energy sector, including electricity and heating, accounts for the largest share of greenhouse gas emissions. The 10 largest greenhouse gas-emitting nations account for two-thirds of global emissions, with the world's top three—China, the US, and India—contributing 15 times more than the bottom 100.

Geothermal heat pumps have the greatest upfront cost of any home heating system

As of 2025, installations of these systems can range from $15,000 to over $40,000, significantly more than for furnace-air conditioner and air-source heat pump systems. However, they are up to 50% more efficient than these alternative systems, making them able to pay for themselves within 15 years.

Among renewable sources, geothermal rivals hydropower in lifetime cost

As of 2024, the levelized cost of energy—the average cost per unit of energy over the lifetime of a power plant—for geothermal power is surpassed only by solar photovoltaic and onshore wind. Geothermal's LCOE has remained relatively unchanged since 2007, with significant decreases held back by significant upfront installation costs.

Explore a gallery of Bill Nye's energy-efficient home

The Southern California home is painted pale yellow and features double-pane, low-emissivity glass windows to help keep temperatures low. Solar panels are used for electricity and hot water, while Solatube domes and ducts illuminate rooms from above throughout the day, even when the sun is low in the sky.

Beyond oil, the Iran war is pushing up costs on fertilizer, prescriptions, and mortgages, too

Gas is up 27% since fighting began, but the Strait of Hormuz also carries a third of the world's fertilizer, petrochemicals used in generic drugs, and helium for semiconductor manufacturing. Mortgage rates have climbed back above 6.4%, and economists warn $130 oil could tip the U.S. into recession.

Where to buy organic on a budget

In the past year, prices for organic fruits and vegetables rose 13.1%, significantly higher than the price increase of non-organic foods. While buying organic can be costly, certain stores can help organic shoppers save. This list highlights produce stores you may have been overlooking, like Trader Joe's and Walmart. Peruse the list and keep you grocery costs down.

Laundry detergents designed for cold-water washes rely on proteins isolated from microorganisms native to cold climates, such as Iceland.

The rising cost of taking a family to the ballgame

While inflation affects the price of all goods and services across an economy, some hit harder for consumers than others. Taking data from the average cost of tickets all the way down to the number of hot dogs a family would buy, the average pricetag for a family of four to attend a baseball game is now just over $200–making America’s pastime cost-prohibitive for many families.

View breakdowns of the world's and each nation's electricity comes from

These charts show how the shares of generated electricity sources—solar, wind, hydro, nuclear, bioenergy, oil, gas, and coal—have changed since 1985. Since 2010, an increase in renewable sources has offset the share lost by nuclear and fossil fuels.

Washing dishware before putting it in a dishwasher may reduce the appliance's effectiveness because it dynamically adjusts wash time and temperature based on a sensor that detects dirtiness.

Compare grocery prices with this cost radar

Track the price of key grocery items with this price radar tool, which shows real-time prices across major retailers in the US and Canada. Select bread, milk, eggs, and more to see differences in cost by location and store, including Wal-Mart, Kroger, Amazon, and Target.

By 2028, data center power consumption may equal 22% of US households

Date from 2023 suggests that data centers accounted for around 4.4% of US electricity consumption, with new facilities supporting the AI boom consuming more power than the state of New Hampshire annually. However, the energy impact of individual use varies widely depending on the prompt and AI model. (Some readers may experience a paywall.)

13 unconventional ways to stay cool during heat waves

While air conditioning is the default solution for many in a heat wave, it can get expensive while requiring the consumption of fossil fuel energy. So, how else can you stay cool during a heat wave? This list compiles some practical, at times quirky, suggestions, including an ice-pack-filled aubergine hat.

Surprising costs associated with homeownership include taxes and roof maintenance

Owning a home includes not just expected costs such as a mortgage, homeowners insurance, and landscaping, but also less-obvious expenses like property taxes, repairing and maintaining one’s roof and HVAC system, and HOA fees.

The most expensive EU countries

Among countries in the European Union, Luxembourg has the highest prices (52% higher than the EU average). Romania seems like it's the cheapest option in the EU at 46% below the EU average. Want to see how other countries such as Italy, France and Germany rank? Explore this color-coded map to learn more.