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Inside Toyota’s Hybrid Synergy Drive

Toyota debuted its groundbreaking Toyota Hybrid System 27 years ago, ultimately evolving in 2004 as the automaker’s Hybrid Synergy Drive. Here’s how it works.

Most Recent

Update: Honda Prologue and Acura ZDX

The Honda Prologue electric vehicle and its uplevel Acura ZDX stablemate will qualify for full $7,500 federal tax credit.

Italian Chic: Alfa Romeo Tonale

Alfa Romeo Tonale is stylish, electrified, and very efficient. It's also the 2024 Green SUV of the Year.

EV Service is Off to a Good Start

Electric vehicles are a game changer in many respects. But how will they affect the way service is traditionally delivered at dealerships?

Fueling a Low-Net Carbon Future

Alternative fuels like hydrogen, propane, alcohol, compressed natural gas, and other drop-in fuels have an important role to play in lowering carbon emissions.

The 20 Year Journey of Plug-In Hybrids

Plug-in hybrids generated interest two decades ago as we faced the same energy, climate, and political issues as today. Here’s perspective from our archives.

Ron Cogan behind the wheel

Is Our Electrified Future Coming Too Fast?

There’s good reason to question the regulatory tunnel vision at play as we move toward an electrified future. Do we have the means to power it?

Don't Miss

A New Day for Electric Pickups

Pickups and electric vehicles are top of mind these days. So why not put the two together? That’s exactly what Ford, GM, and a growing list of startup companies are focusing on today, promising great choices for pickup buyers ahead.

The Cost of Public Charging

Free charging has been offered at retail locations and parking garages for some time. Now, pay-per-use chargers are increasingly the norm. But at what cost?

How Mitsubishi’s PHEV Works

Featuring an innovative series-parallel hybrid system, the plug-in Mitsubishi PHEV brings a host of advanced technologies to bear that distinguish the model amid its peers. It’s all-wheel drive, features Level 1, 2, and 3 charging, and offers seamless electric operation.

The Real Cost of Charging EVs

Driving electric is cheaper than driving on gas, but how much cheaper? Calculating the cost of charging up is not a simple thing. Let's crunch the numbers.

What About Alternative Fuels?

Alternative fuels like biodiesel, ethanol, methanol, compressed natural gas, and propane autogas once shared equal billing with electric vehicles. What changed?

The Hydrogen Highway

Many feel that a ‘hydrogen economy’ is likely in our future. Whether it will include cars, SUVs, and light trucks remains an open question, since most automakers are focusing future efforts on EVs with longer driving range, rather than hydrogen.

Fisker’s Electric Ocean SUV

Noted designer and entrepreneur Henrik Fisker’s first effort at being an automaker focused on a stunning electric car. That didn’t pan out as planned, but provided important insights into how to successfully bring a new brand and vehicle to market.

Electric Pickup Disconnect

Electric pickups are coming…but are we ready for them? A new generation of high-tech trucks promises to deliver all the functionality expected of modern pickups along with highly efficient and zero-emission electric drive. The challenge: Where to charge them all.

Outlander PHEV Test Update

Mitsubishi's Outlander PHEV is a hidden gem in a sea of crossovers and SUVs. It offers advanced features and capabilities found on plug-in hybrid competitors costing tens of thousands of dollars more, while offering a fun and family-friendly SUV experience.

All-Electric MINI Cooper SE

MINI has been easing into electrification for some time now. It’s been years since the MINI E electric vehicle plied the roads as a lease-only, limited test fleet in L.A. and New York. Now the MINI Cooper SE is here.

Karma Revero GT Impresses

The Karma Revero GT, 2020 Luxury Green Car of the Year, represents the evolution of the Revero series hybrid. Karma Automotive devoted significant resources in reworking every part of this grand touring sedan, with enormous success.

Porsche's Electric Taycan

Porsche fans have waited patiently for this storied marque to rise to the Tesla challenge. That’s no easy thing, and it had to be done right or risk both reputation and future market share. The result is as expected. Spectacular!

Lincoln Aviator Grand Touring

SUV and crossover buyers are a pretty diverse bunch, especially these days as those accustomed to sedans are increasingly making their way to these more functional vehicles. Now, upscale buyers have a great new choice in the Lincoln Aviator PHEV.

Toyota Corolla: Shiny and New, Hybrid Too!

You might not expect an entry-level sedan to offer surprising style, extremely high fuel efficiency, and an unexpected level of advanced electronics and driver assist systems. Yet, that’s what the new-generation Toyota Corolla brings to car buyers on a budget.

BMW Updates 745e xDrive Plug-In

Looking for luxury, performance, and sufficient battery electric range for short commutes or around-town driving? The BMW 745e xDrive iPerformance may pique your interest. This plug-in hybrid gets an updated look for 2020 along with a more powerful hybrid drivetrain.

Inductively Charging the BMW 530e

Contactless inductive charging via a paddle and chargeport was championed by GM’s EV1 in the 1990s. Now BMW is giving inductive charging a modern twist with its wireless charging system that simply requires parking over a ChargePad on the ground.

Hyundai’s CVVD Tech

The internal combustion engine keeps improving and getting ever-more efficient. That’s an imperative as conventionally powered vehicles compete with a new generation of electrics. Hyundai’s continuously variable valve duration technology is the latest twist for creating more efficient combustion engines.

2020 Hyundai Sonata

The Sonata has long offered a nice balance of style and value. With the all-new 2020 edition, the Sonata steps up its game with an appealing design, a satisfying driving experience, and welcome efficiency. A hybrid joins the lineup soon.