34 stories tagged efficiency on EV Digest.
A recent owner of the new Rivian R2 shares their experiences and observations after two months behind the wheel. The report highlights the SUV's comfortable ride and enjoyable driving dynamics, while also noting a significant drop in efficiency during highway travel.
Honda has unveiled details and the official name for its next-generation hybrid powertrain, promising increased efficiency and reduced weight. While the automaker plans to introduce 15 hybrid models by 2030, this new system primarily concerns conventional hybrids without a plug-in option, meaning it won't operate as a true electric vehicle. EV Digest will continue to monitor for Honda's dedicated BEV and PHEV announcements.
A recent highway range test revealed that the upcoming 2027 Chevrolet Bolt EV demonstrates significantly improved efficiency and range when driven at 60 mph compared to 70 mph. This suggests that future Bolt owners could achieve substantially more miles by adhering to slightly lower cruising speeds on the highway, especially on longer trips. The findings highlight the impact of speed on EV battery consumption and real-world range performance.
Car and Driver's recent highway range test of the upcoming 2026 Jeep Recon EV revealed significantly lower-than-expected efficiency. The all-electric SUV's performance positions it among the least efficient EVs the publication has ever evaluated, raising questions about its real-world usability for long-distance travel.
In a remarkable demonstration of efficiency, a prototype of the upcoming Audi A6 e-tron recently completed an 831-mile journey on a single battery charge. This impressive feat, achieved during a controlled test, significantly surpasses the model's official projected range and highlights the potential for exceptional long-distance electric travel.
In a recent highway range and efficiency comparison, BMW's iX3, a BEV not sold in North America, demonstrated superior energy consumption and range against its German and Swedish luxury SUV competitors. The test highlighted how the iX3's powertrain and battery management allowed it to travel further on a single charge compared to the Mercedes-Benz EQE SUV and Volvo EX90 in similar driving conditions, despite differing battery capacities.
The upcoming Renault 5 E-Tech, still in its prototype phase, recently underwent a rigorous test drive across mountain passes and motorways, demonstrating impressive real-world range efficiency. Despite challenging terrain and varied speeds, the compact EV nearly achieved its official WLTP range estimates, offering an encouraging look at its potential.
Volkswagen has revealed an ultra-efficient electric vehicle prototype, dubbed the "Most Efficiency," designed to push the boundaries of EV range and aerodynamic performance. While showcasing impressive technological advancements, the project raises questions about VW's strategy for bringing such innovations to mass production, particularly given its focus on existing vehicle platforms.
Volkswagen has unveiled a new electric vehicle concept, dubbed "Mission Efficiency," which draws inspiration from its ultra-efficient XL1. This near-production EV aims to redefine aerodynamic and powertrain efficiency, potentially surpassing benchmarks set by competitors.
Volkswagen is pushing the boundaries of electric vehicle efficiency with its 'Mission Efficiency' prototype, a near-production 2+2 electric coupe designed for minimal drag. This sleek concept, built on the MEB+ platform, boasts an exceptionally low drag coefficient, establishing new benchmarks for aerodynamic performance in EVs.
Volkswagen has unveiled a new EV concept, the 'Mission Efficiency,' demonstrating remarkable long-range capabilities by channeling design principles from its hypermiling XL1. This prototype, based on the forthcoming ID.2all platform, achieved an impressive 406 miles on a single charge during a real-world test, pushing the boundaries of electric vehicle efficiency.
A recent highway range test with the Chevrolet Bolt EV demonstrates just how much driving habits impact electric vehicle efficiency. Pushing the speed limit to 80 mph drastically reduced the car's available range compared to more moderate speeds. This highlights a key factor for EV owners aiming to maximize their vehicle's travel distance on a single charge.
During its recent Cybercab event, Tesla showcased a groundbreaking new electric vehicle motor that eliminates the need for rare-earth minerals. This innovation is touted to significantly boost power density and efficiency, potentially reducing manufacturing costs and insulating the company from volatile mineral supply chains.
ROHM Semiconductor has launched its fourth-generation 650V insulated-gate bipolar transistors (IGBTs), designed to boost the performance and efficiency of key components in electric vehicles. These automotive-grade power switching devices are specifically tailored for EV electric compressors and high-voltage heaters, addressing critical thermal management and climate control needs.
Entry-level Tesla Model 3s in Europe are now offering increased range, a welcome improvement for prospective buyers. This enhancement stems from an undisclosed efficiency optimization rather than a battery capacity upgrade, demonstrating Tesla's continuous efforts to refine its popular sedan.
The upcoming Mercedes-Benz CLA 350 4Matic electric sedan has demonstrated impressive real-world efficiency, significantly surpassing its official EPA range estimates. During a 70 mph highway test, the prototype EV achieved a remarkable 399 miles on a single charge, indicating strong performance potential for its U.S. market debut.
The high-performance Hyundai Ioniq 5 N, known for its thrilling drive, faces a common EV challenge: optimizing range. Recent tests by an owner reveal that swapping out the larger factory wheels for a smaller setup can significantly improve the vehicle's highway efficiency, offering a practical solution for daily usability.
A recent test on the German Autobahn demonstrates that maintaining high speeds drastically impacts an electric vehicle's range. Driving an EV at sustained speeds well over 100 mph can diminish its range by more than half compared to more moderate driving conditions. This highlights a key consideration for EV owners in regions with high-speed roadways.
Unlike gasoline vehicles, most electric cars sport a smooth front fascia without a traditional grille. This design choice is not merely aesthetic; it significantly contributes to aerodynamic efficiency and impacts the vehicle's overall range and performance. While EVs still require cooling, their needs are fundamentally different from internal combustion engine cars.
Audi is preparing to launch its new A2 E-Tron, an entry-level electric vehicle designed to be both the most affordable and most efficient EV in its lineup. Preliminary tests show impressive energy consumption, with the compact car potentially achieving nearly 5 miles per kWh with an optional efficiency package.
Audi is set to reintroduce the A2 nameplate as its new entry-level electric vehicle, aiming to become the brand's most efficient car ever produced. This upcoming EV promises to combine affordability with cutting-edge electric performance, potentially lowering the barrier to entry for luxury electric driving.
Toyota is preparing to introduce advanced battery technology for its hybrid vehicles by 2027, promising significant improvements in efficiency and reduced manufacturing costs. This development aims to enhance the performance and affordability of their hybrid lineup, which serves as a bridge technology to full electrification.
Tesla's anticipated Model Y refresh, internally code-named 'Juniper,' is expected to introduce substantial efficiency improvements, particularly concerning the vehicle's heating, ventilation, and air conditioning (HVAC) system. These enhancements aim to boost range and overall performance for the popular electric SUV, building on the success of the Model 3 'Highland' refresh.
The new Rivian R2 Performance trim demonstrates promising energy efficiency, with EPA ratings that directly compete with the Tesla Model Y Performance. While official figures are close, recent real-world evaluations are beginning to paint a more nuanced picture of how these two electric SUVs stack up against each other in everyday driving conditions.
Independent testing reveals that the Rivian R2 Performance model uses 18% to 26% more energy than the Tesla Model Y Performance, despite both SUVs carrying identical EPA efficiency ratings. This finding contradicts claims by Rivian's CEO regarding the R2's energy consumption.
The EPA's official efficiency ratings for the Rivian R2 and Tesla Model Y are identical, but real-world testing suggests a discrepancy. Initial observations indicate the R2 consumes more energy than the Model Y, raising questions about how these official figures were reached despite similar battery sizes and vehicle classes.
The Porsche supervisory board has officially endorsed a more aggressive efficiency program aimed at bolstering the luxury automaker's financial performance. This strategic move seeks to optimize operations and ensure sustained profitability amidst an evolving automotive landscape, which includes increasing investments in electric vehicle technology.
Mercedes-Benz is engineering its 2026 CLA electric vehicle with a two-speed transmission, a design choice aimed at significantly boosting driving range, particularly at highway speeds. This innovative gearbox helps optimize the electric motor's operation, allowing it to run more efficiently and extend the distance the vehicle can travel on a single charge.
Aptera, a California-based startup, has successfully showcased the solar charging capabilities of its three-wheeled electric vehicle prototype. After proving its embedded solar cells can generate power, the company is now concentrating on demonstrating the vehicle's overall efficiency and operational range, crucial steps before commercial production.
Amidst persistent skepticism regarding electric heavy-duty vehicles, Mercedes-Benz is publishing real-world performance data from 80 of its eActros electric semi-trucks operating in Germany. The data demonstrates remarkable efficiency, even when transporting 36 tons through challenging winter conditions, rivaling the efficiency often seen in passenger EVs from brands like Tesla.
IBM has announced a new chip manufacturing technique that could lead to significantly smaller and more efficient semiconductor components. This innovation has strong implications for electric vehicles, as it could enable more compact and powerful inverters and other crucial power electronics.
Vishay Intertechnology has expanded its Gen 7 family of 1200 V FRED Pt Hyperfast rectifiers, introducing six new diodes designed for electric vehicle applications. These components are engineered to reduce switching losses in high-voltage power converters, thereby improving efficiency in onboard chargers and other EV systems. The new rectifiers boast a low reverse recovery charge and a low forward voltage drop, catering to the demanding requirements of modern EV powertrains.
The future of EV charging could see artificial intelligence play a pivotal role, with new technology designed to dynamically adjust charging speeds. This innovation aims to balance infrastructure load, reduce costs for operators, and enhance efficiency for users by optimizing energy flow in real-time.
Toyota's iconic Prius has evolved significantly, yet its core mission remains efficiency. This comparison pits the sleek new model against a third-generation Prius that has accumulated nearly 300,000 miles as a taxi, offering insights into generational advancements in design, performance, and practicality.
