IEEE SpectrumFOR THE TECHNOLOGY INSIDER
TopicsAerospaceArtificial IntelligenceBiomedicalComputingConsumer ElectronicsEnergyHistory of TechnologyRoboticsSemiconductorsSensorsTelecommunicationsTransportation
SectionsFeaturesNewsOpinionCareersDIYThe Big PictureEngineering Resources
MoreSpecial ReportsCollectionsExplainersPodcastsVideosNewslettersTop Programming LanguagesRobots Guide
For IEEE MembersCurrent IssueMagazine ArchiveThe InstituteTI Archive
For IEEE MembersCurrent IssueMagazine ArchiveThe InstituteTI Archive
IEEE SpectrumAbout UsContact UsReprints & PermissionsAdvertising
Follow IEEE Spectrum
Support IEEE SpectrumIEEE Spectrum is the flagship publication of the IEEE — the world’s largest professional organization devoted to engineering and applied sciences. Our articles, podcasts, and infographics inform our readers about developments in technology, engineering, and science.
Join IEEE
Subscribe
About IEEEContact & SupportAccessibilityNondiscrimination PolicyTermsIEEE Privacy Policy
© Copyright 2022 IEEE — All rights reserved. A not-for-profit organization, IEEE is the world's largest technical professional organization dedicated to advancing technology for the benefit of humanity.

Heather L. MacLean

Heather L. MacLean is a professor in the department of civil and mineral engineering and the department of chemical engineering and applied chemistry at the University of Toronto. She is a Canada Research Chair in Sustainable Systems and Technology Assessment. She has been studying the environmental performance of conventional and alternative vehicles since the late 1990s.

FollowUnfollowFollowing

Heather L. MacLean

Heather L. MacLean is a professor in the department of civil and mineral engineering and the department of chemical engineering and applied chemistry at the University of Toronto. She is a Canada Research Chair in Sustainable Systems and Technology Assessment. She has been studying the environmental performance of conventional and alternative vehicles since the late 1990s.

FollowUnfollowFollowing

Articles by

Topics

Sections

More

For IEEE Members

For IEEE Members

IEEE Spectrum

Follow IEEE Spectrum

Support IEEE Spectrum

Heather L. MacLean

We Need More Than Just Electric Vehicles

To decarbonize road transport we need to complement EVs with bikes, rail, city planning, and alternative energy

Are Hybrid Vehicles Worth It?

Despite superior fuel economy and low emissions, HEVs cost too much at present to make economic sense

Trending Stories

Posits, a New Kind of Number, Improves the Math of AI

Inflation-Adjusted Income for U.S. Engineers Drops

Zero-Energy Tech Heats When Cold and Cools When Hot

Topics

Sections

More

For IEEE Members

For IEEE Members

IEEE Spectrum

Follow IEEE Spectrum

Support IEEE Spectrum

Enjoy more free content and benefits by creating an account

Saving articles to read later requires an IEEE Spectrum account

The Institute content is only available for members

Downloading full PDF issues is exclusive for IEEE Members

Access to Spectrum's Digital Edition is exclusive for IEEE Members

Following topics is a feature exclusive for IEEE Members

Adding your response to an article requires an IEEE Spectrum account

Create an account to access more content and features on IEEE Spectrum, including the ability to save articles to read later, download Spectrum Collections, and participate in conversations with readers and editors. For more exclusive content and features, consider Joining IEEE.

Join the world’s largest professional organization devoted to engineering and applied sciences and get access to all of Spectrum’s articles, archives, PDF downloads, and other benefits. Learn more →

Access Thousands of Articles — Completely Free

Create an account and get exclusive content and features: Save articles, download collections, and talk to tech insiders — all free! For full access and benefits, join IEEE as a paying member.

Heather L. MacLean

We Need More Than Just Electric Vehicles

To decarbonize road transport we need to complement EVs with bikes, rail, city planning, and alternative energy

Are Hybrid Vehicles Worth It?

Despite superior fuel economy and low emissions, HEVs cost too much at present to make economic sense

Trending Stories

Posits, a New Kind of Number, Improves the Math of AI

Inflation-Adjusted Income for U.S. Engineers Drops

Zero-Energy Tech Heats When Cold and Cools When Hot